| 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 | 2,300 | $80.16 | 84,900 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $80.16 | 37,051 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 400 | $80.16 | 51,014 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,500 | $80.16 | 109,992 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.17 | 50,914 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 2,700 | $80.17 | 82,200 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $80.17 | 36,851 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 2,300 | $80.17 | 48,614 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $80.17 | 108,992 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 2,300 | $80.18 | 79,900 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.