| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 19, 2014 | Corp. VP & CFO | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 12,780 | $119.05 | 213,746 | |
| Sep 19, 2005 | Acting Pres., Mission Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,800 | $55.86 | 28,800 | |
| Feb 16, 2005 | Director, Chief Executive Officer | Form 4/A | Other acquisition or disposition (describe transaction) | 12,850 | $53.99 | 287,392 | |
| Feb 16, 2005 | Director, Chief Executive Officer | Form 4/A | Other acquisition or disposition (describe transaction) | 12,850 | $53.99 | 287,392 | |
| Feb 16, 2005 | Director, CEO & President | Form 4 | Other acquisition or disposition (describe transaction) | 12,850 | $53.99 | 287,392 | |
| Feb 19, 2014 | Corp. VP & Pres Electronic Sys | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,861 | -- | 24,479 | |
| Feb 19, 2014 | Corp. VP & Pres Electronic Sys | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 12,861 | -- | 84,308 | |
| Feb 13, 2018 | Corp VP, CFO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,879 | -- | 45,526 | |
| Feb 16, 2010 | Corp VP, Communications | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,900 | $59.56 | 31,893 | |
| Feb 16, 2010 | Corp.VP, Bus Dev & Gov. Rel. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 12,900 | $59.56 | 104,793 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.