| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 16, 2006 | Corp VP & Pres, Electron. Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 14,000 | $44.06 | -- | |
| Feb 16, 2006 | Corp VP & Pres, Electron. Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 14,000 | $49.57 | -- | |
| Feb 16, 2006 | Corp VP & Pres, Electron. Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,000 | $39.28 | -- | |
| 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 | |
| Feb 15, 2006 | Corp. VP & CFO | 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 | 9,540 | $65.10 | 100,059 | |
| Feb 15, 2006 | Corp. VP & CFO | Form 4 | Other acquisition or disposition (describe transaction) | 7,230 | $65.10 | 107,289 | |
| Feb 15, 2006 | Corp. VP & CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 27,000 | $65.10 | 134,289 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.