| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 16, 2010 | Corp. VP & Pres Info Sys | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 29,000 | $59.56 | 65,703 | |
| Feb 16, 2010 | Corp. VP & Pres Info Sys | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 122,700 | -- | 122,700 | |
| Feb 16, 2010 | Corp VP & Pres, Electron. Sys. | Form 4/A | 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 | 6,531 | $59.56 | 71,218 | |
| Feb 16, 2010 | Corp VP & Pres, Electron. Sys. | Form 4/A | Other acquisition or disposition (describe transaction) | 2,340 | $59.56 | 68,878 | |
| Feb 16, 2010 | Corp VP & Pres, Electron. Sys. | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 31,600 | $59.56 | 100,478 | |
| Feb 16, 2010 | Corp VP & Pres, Electron. Sys. | Form 4/A | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 133,600 | -- | 133,600 | |
| Jun 12, 2009 | Corp. VP & Pres Info Sys | Form 4/A | Other acquisition or disposition | -- | -- | 4,832 | |
| Jun 12, 2009 | Corp. VP & Pres Info Sys | Form 4/A | Other acquisition or disposition | -- | -- | 7,807 | |
| Feb 25, 2009 | Corp. VP & Treasurer | Form 4/A | Other acquisition or disposition | -- | -- | 750 | |
| Feb 17, 2009 | Corp. VP & Pres. Space Tech. | Form 4/A | 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 | 6,292 | $44.99 | 41,108 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.