| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 18, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 77,229 | |
| Feb 18, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 4,626 | |
| Feb 18, 2010 | Corporate VP, Controller & CAO | Form 4 | Other acquisition or disposition | -- | -- | 51 | |
| Feb 18, 2010 | Corp. VP & Pres. Shipbuilding | Form 4 | Other acquisition or disposition | -- | -- | 1,039 | |
| Feb 18, 2010 | Corp. VP & Treasurer | Form 4 | Other acquisition or disposition | -- | -- | 775 | |
| Feb 18, 2010 | Corp. VP & General Counsel | Form 4 | Other acquisition or disposition | -- | -- | 3,428 | |
| Feb 18, 2010 | Corp VP & Chf HR & Adm Ofcr | Form 4 | Other acquisition or disposition | -- | -- | 3,529 | |
| Feb 16, 2010 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 463,500 | -- | 463,500 | |
| Feb 16, 2010 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 163,584 | -- | 163,584 | |
| Feb 16, 2010 | Corp VP & Pres Technical Servs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 81,800 | -- | 81,800 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.