| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 27, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 55,800 | -- | 55,800 | |
| Feb 27, 2008 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 13,000 | $80.82 | 127,407 | |
| Feb 27, 2008 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 59,550 | -- | 59,550 | |
| Feb 27, 2008 | Corp. VP & General Counsel | Form 4 | Other acquisition or disposition | -- | -- | 3,689 | |
| Feb 27, 2008 | Corp VP & Chf HR & Adm Ofcr | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 9,750 | $80.82 | 55,230 | |
| Feb 27, 2008 | Corp VP & Chf HR & Adm Ofcr | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 44,650 | -- | 44,650 | |
| Feb 27, 2008 | Corp VP & Chf HR & Adm Ofcr | Form 4 | Other acquisition or disposition | -- | -- | 2,882 | |
| Feb 25, 2008 | 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 | 8,532 | $81.00 | 67,490 | |
| Feb 25, 2008 | Pres. & Chf. Operating Officer | 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 | 16,360 | $81.00 | 135,763 | |
| Feb 25, 2008 | Corp VP & Pres Technical Servs | 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 | 7,560 | $81.00 | 51,172 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.