| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 28, 2006 | Corp. VP & Treasurer | Form 4 | Open market or private sale of non-derivative or derivative security | 29,900 | $65.13 | 40,104 | |
| Feb 28, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,000 | $44.06 | -- | |
| Feb 28, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,000 | $49.57 | -- | |
| Feb 28, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 3,900 | $39.28 | -- | |
| Feb 28, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 6,000 | $47.11 | 6,000 | |
| Feb 27, 2006 | Corp VP & Pres Mission Systems | Form 4 | Open market or private sale of non-derivative or derivative security | 1,600 | $65.75 | 47,178 | |
| Feb 24, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 6,000 | $40.25 | 41,670 | |
| Feb 24, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,000 | $49.57 | 46,670 | |
| Feb 24, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 5,000 | $44.06 | 51,670 | |
| Feb 24, 2006 | Corp. VP & Treasurer | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 4,100 | $39.28 | 55,770 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.