| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.10 | 92,170 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $80.10 | 37,851 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,200 | $80.10 | 119,392 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 770 | $80.11 | 91,400 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.11 | 37,751 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.11 | 91,300 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $80.11 | 119,092 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 800 | $80.12 | 90,500 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $80.12 | 37,551 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.12 | 52,814 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.