| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Mar 04, 2008 | Corp.VP, Bus Dev & Gov. Rel. | Form 4 | Open market or private sale of non-derivative or derivative security | 75,000 | $80.22 | 87,128 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $80.22 | 73,200 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.22 | 43,814 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $80.22 | 102,992 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.22 | 35,537 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $80.23 | 73,000 | |
| Mar 04, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 600 | $80.23 | 102,392 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.23 | 72,900 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.23 | 35,437 | |
| Mar 04, 2008 | Corp. VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $80.23 | 43,714 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.