| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 15, 2006 | Corp. VP & Pres. Ship Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $65.10 | 40,000 | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 42,222 | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Jul 07, 2005 | Corp. VP & Pres. Ship Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Mar 06, 2008 | Corp. VP & General Counsel | Form 4 | Other acquisition or disposition | -- | -- | 3,706 | |
| Mar 04, 2008 | Corp. VP & General Counsel | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 14,376 | $44.06 | 141,783 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.