| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 28, 2007 | Corp. VP & Pres. Newport News | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 18,000 | $71.85 | 74,892 | |
| Feb 28, 2007 | Corp. VP & Pres. Newport News | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 36,000 | $71.85 | 36,000 | |
| Feb 28, 2007 | Corp VP & Pres, Electron. Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 18,000 | $71.85 | 61,333 | |
| Feb 28, 2007 | Corp VP & Pres, Electron. Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 36,000 | $71.85 | 36,000 | |
| Feb 28, 2007 | Corp.VP & Pres.Integrated Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 20,000 | $71.85 | 141,293 | |
| Feb 28, 2007 | Corp.VP & Pres.Integrated Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $71.85 | 40,000 | |
| Feb 28, 2007 | Director, Chief Executive Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 83,600 | $71.85 | 378,975 | |
| Feb 28, 2007 | Director, Chief Executive Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 254,000 | $71.85 | 254,000 | |
| Feb 28, 2007 | Corp. VP & Pres. Ship Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 16,000 | $71.85 | 78,044 | |
| Feb 28, 2007 | Corp. VP & Pres. Ship Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 32,000 | $71.85 | 32,000 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.