| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 15, 2006 | Corp.VP, Government Relations | Form 4 | Other acquisition or disposition (describe transaction) | 2,712 | $65.10 | 70,551 | |
| Feb 15, 2006 | Corp.VP, Government Relations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 16,000 | $65.10 | 86,551 | |
| Feb 15, 2006 | Corp.VP, Government Relations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 32,000 | $65.10 | 32,000 | |
| Feb 15, 2006 | Corp. VP & Pres. Space Tech. | 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 | 1,787 | $65.10 | 30,213 | |
| Feb 15, 2006 | Corp. VP & Pres. Space Tech. | Form 4 | Other acquisition or disposition (describe transaction) | 1,607 | $65.10 | 31,820 | |
| Feb 15, 2006 | Corp. VP & Pres. Space Tech. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 20,000 | $65.10 | 51,820 | |
| Feb 15, 2006 | Corp. VP & Pres. Space Tech. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 40,000 | $65.10 | 40,000 | |
| Feb 15, 2006 | Corp. VP & Secretary | 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 | 1,430 | $65.10 | 35,034 | |
| Feb 15, 2006 | Corp. VP & Secretary | Form 4 | Other acquisition or disposition (describe transaction) | 1,285 | $65.10 | 36,319 | |
| Feb 15, 2006 | Corp. VP & Secretary | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 6,000 | $65.10 | 42,319 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.