| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 17, 2009 | Corp. VP & Pres Info Sys | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 126,050 | -- | 126,050 | |
| Feb 17, 2009 | Corp. VP & CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 28,000 | $44.99 | 103,176 | |
| Feb 17, 2009 | Corp. VP & CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 161,050 | -- | 161,050 | |
| Feb 17, 2009 | Corp. VP & Pres. Shipbuilding | 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 | 5,667 | $44.99 | 92,370 | |
| Feb 17, 2009 | Corp. VP & Pres. Shipbuilding | Form 4 | Other acquisition or disposition (describe transaction) | 2,400 | $44.99 | 89,970 | |
| Feb 17, 2009 | Corp. VP & Pres. Shipbuilding | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 20,700 | $44.99 | 110,670 | |
| Feb 17, 2009 | Corp. VP & Pres. Shipbuilding | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 119,050 | -- | 119,050 | |
| Feb 17, 2009 | Corp VP & Pres, Electron. Sys. | 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 | 6,195 | $44.99 | 58,249 | |
| Feb 17, 2009 | Corp VP & Pres, Electron. Sys. | Form 4 | Other acquisition or disposition (describe transaction) | 2,400 | $44.99 | 55,849 | |
| Feb 17, 2009 | Corp VP & Pres, Electron. Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 21,900 | $44.99 | 77,749 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.