| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 17, 2009 | Corp. VP & Pres. Space Tech. | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,200 | $44.99 | 50,908 | |
| Feb 27, 2008 | Corp VP & Pres Elec Miss. Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,200 | $80.82 | 101,392 | |
| Feb 17, 2017 | Corp VP & Pres ES & CSO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,267 | -- | 37,920 | |
| Feb 13, 2015 | Corp VP, Communications | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,273 | -- | 50,024 | |
| Feb 13, 2015 | Corp VP, Communications | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,273 | -- | 7,769 | |
| Feb 18, 2015 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,289 | -- | 20,715 | |
| Feb 18, 2015 | Corp VP, CFO | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,289 | -- | 22,724 | |
| Feb 15, 2011 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,327 | $69.14 | 64,252 | |
| Feb 15, 2011 | Corp. VP & General Counsel | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,327 | $69.14 | 76,579 | |
| Dec 09, 2014 | Corp VP, Communications | Form 4 | Open market or private sale of non-derivative or derivative security | 12,349 | $145.38 | 37,751 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.