| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 28, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 24,000 | $52.90 | 116,121 | |
| Feb 28, 2005 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,000 | $52.90 | 82,147 | |
| Feb 28, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 24,000 | $52.90 | 104,474 | |
| Feb 28, 2005 | Corp. VP & Controller | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 5,000 | $52.90 | 27,941 | |
| Feb 18, 2005 | Corp. VP & Secretary | Form 4 | Other acquisition or disposition | -- | -- | 3,090 | |
| Feb 18, 2005 | Corp. VP, Strategy & Tech. | Form 4 | Other acquisition or disposition | -- | -- | 34,248 | |
| Feb 18, 2005 | Corp. VP, Strategy & Tech. | Form 4 | Other acquisition or disposition | -- | -- | 3,506 | |
| Feb 18, 2005 | Corp. VP & Treasurer | Form 4 | Other acquisition or disposition | -- | -- | 8,120 | |
| Feb 18, 2005 | Corp. VP & Treasurer | Form 4 | Other acquisition or disposition | -- | -- | 5,915 | |
| Feb 18, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Other acquisition or disposition | -- | -- | 1,108 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.