| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 21, 2007 | Corp.VP & Pres.Integrated Sys. | 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 | 8,350 | $75.29 | 115,468 | |
| Feb 21, 2007 | Corp.VP & Pres.Integrated Sys. | Form 4 | Other acquisition or disposition (describe transaction) | 5,825 | $75.29 | 121,293 | |
| Feb 21, 2007 | Director, Chief Executive Officer | 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 | 44,750 | $75.29 | 267,750 | |
| Feb 21, 2007 | Director, Chief Executive Officer | Form 4 | Other acquisition or disposition (describe transaction) | 27,625 | $75.29 | 295,375 | |
| Feb 21, 2007 | Corp. VP & Pres. Ship Systems | 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 | 3,899 | $75.29 | 58,493 | |
| Feb 21, 2007 | Corp. VP & Pres. Ship Systems | Form 4 | Other acquisition or disposition (describe transaction) | 3,551 | $75.29 | 62,044 | |
| Feb 21, 2007 | Corp. VP & General Counsel | 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 | 4,890 | $75.29 | 94,874 | |
| Feb 21, 2007 | Corp. VP & General Counsel | Form 4 | Other acquisition or disposition (describe transaction) | 3,555 | $75.29 | 98,429 | |
| Feb 21, 2007 | Corp VP & Chf HR & Adm Ofcr | 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 | 2,057 | $75.29 | 30,395 | |
| Feb 21, 2007 | Corp VP & Chf HR & Adm Ofcr | Form 4 | Other acquisition or disposition (describe transaction) | 1,772 | $75.29 | 32,167 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.