| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| May 04, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 3,728 | $55.50 | -- | |
| May 03, 2005 | Director | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,000 | $25.63 | 5,978 | |
| May 03, 2005 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $55.45 | 5,778 | |
| May 03, 2005 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $55.44 | 5,578 | |
| May 03, 2005 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 600 | $55.42 | 4,978 | |
| May 03, 2005 | Director | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 1,000 | $25.63 | -- | |
| Apr 29, 2005 | Corp. VP & Chf. H.R. & Adm Ofr | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 3,250 | $26.44 | 72,085 | |
| Apr 29, 2005 | Corp. VP & Chf. H.R. & Adm Ofr | Form 4 | Open market or private sale of non-derivative or derivative security | 3,250 | $54.22 | 68,835 | |
| Apr 29, 2005 | Corp. VP & Chf. H.R. & Adm Ofr | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,750 | $44.06 | 77,585 | |
| Apr 29, 2005 | Corp. VP & Chf. H.R. & Adm Ofr | Form 4 | Open market or private sale of non-derivative or derivative security | 8,750 | $54.09 | 68,835 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.