| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 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 | |
| Feb 15, 2006 | Corp. VP & CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 54,000 | $65.10 | 54,000 | |
| Feb 15, 2006 | Corporate Vice President | 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 | 4,575 | $65.10 | 29,429 | |
| Feb 15, 2006 | Corporate Vice President | Form 4 | Other acquisition or disposition (describe transaction) | 2,713 | $65.10 | 32,142 | |
| Feb 15, 2006 | Corporate VP, Controller & CAO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 8,000 | $65.10 | 15,500 | |
| Feb 15, 2006 | Corp.VP, Government Relations | 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 | 2,576 | $65.10 | 67,839 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.