| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 21, 2006 | Corp. VP & General Counsel | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 650 | $65.30 | 99,764 | |
| Feb 21, 2006 | Corp. VP & General Counsel | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,700 | $54.63 | -- | |
| Feb 21, 2006 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 7,928 | $65.30 | 7,928 | |
| Feb 17, 2006 | Corp VP & Pres Mission Systems | Form 4 | Other acquisition or disposition | -- | -- | 5,401 | |
| Feb 17, 2006 | Corp. VP & CFO | Form 4 | Other acquisition or disposition | -- | -- | 7,711 | |
| Feb 17, 2006 | Corp. VP & CFO | Form 4 | Other acquisition or disposition | -- | -- | 4,219 | |
| Feb 17, 2006 | Corp. VP & Secretary | Form 4 | Other acquisition or disposition | -- | -- | 3,286 | |
| Feb 17, 2006 | Corp. VP, Strategy & Tech. | Form 4 | Other acquisition or disposition | -- | -- | 19,248 | |
| Feb 17, 2006 | Corp. VP, Strategy & Tech. | Form 4 | Other acquisition or disposition | -- | -- | 3,642 | |
| Feb 17, 2006 | Corp. VP & Pres., Info. Tech. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 13,500 | $57.40 | 78,460 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.