| 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 | 300 | $80.22 | 73,200 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 3,000 | $46.09 | -- | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 4,000 | $47.11 | -- | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 7,000 | $52.48 | 3,500 | |
| Mar 04, 2008 | Corp. VP & Pres. Space Tech. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,000 | $53.10 | 4,000 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 200 | $79.78 | 40,537 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $79.79 | 40,437 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $79.81 | 40,137 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 100 | $79.82 | 40,037 | |
| Mar 04, 2008 | Corp. VP & Pres. Info. Tech. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $79.83 | 39,737 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.