| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 17, 2006 | Corp VP & Pres Mission Systems | Form 4 | Other acquisition or disposition | -- | -- | 5,401 | |
| Feb 15, 2006 | Corp VP & Pres Mission Systems | 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 | 1,348 | $65.10 | 27,452 | |
| Feb 15, 2006 | Corp VP & Pres Mission Systems | Form 4 | Other acquisition or disposition (describe transaction) | 1,326 | $65.10 | 28,778 | |
| Feb 15, 2006 | Corp VP & Pres Mission Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 20,000 | $65.10 | 48,778 | |
| Feb 15, 2006 | Corp VP & Pres Mission Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $65.10 | 40,000 | |
| Sep 19, 2005 | Acting Pres., Mission Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,800 | $55.86 | 28,800 | |
| 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 | |
| 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 | -- | -- | -- |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.