| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Jan 24, 2011 | Director | Form 4 | Other acquisition or disposition (describe transaction) | 3,032 | $68.91 | 4,951 | |
| Jan 19, 2011 | Corp. VP & Pres. Shipbuilding | Form 4 | Other acquisition or disposition | -- | -- | 1,069 | |
| Jan 18, 2011 | 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 | 4,089 | $69.32 | 127,600 | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | -- | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | 1,919 | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | -- | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | 1,000 | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | -- | |
| Jan 04, 2011 | Director | Form 4/A | Other acquisition or disposition | -- | -- | -- | |
| Jan 04, 2011 | Director | Form 4 | Other acquisition or disposition | -- | -- | -- |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.