| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 27, 2008 | Pres. & Chf. Operating Officer | Form 4 | Other acquisition or disposition | -- | -- | 62,760 | |
| Feb 27, 2008 | Pres. & Chf. Operating Officer | Form 4 | Other acquisition or disposition | -- | -- | 4,361 | |
| Feb 27, 2008 | Pres. & Chf. Operating Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 36,600 | $80.82 | 172,363 | |
| Feb 27, 2008 | Pres. & Chf. Operating Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 167,450 | -- | 167,450 | |
| Feb 27, 2008 | Corp VP & Pres Technical Servs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 11,400 | $80.82 | 62,572 | |
| Feb 27, 2008 | Corp VP & Pres Technical Servs | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 52,100 | -- | 52,100 | |
| Feb 27, 2008 | Corp VP & Pres Integrated Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 11,400 | $80.82 | 42,966 | |
| Feb 27, 2008 | Corp VP & Pres Integrated Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 52,100 | -- | 52,100 | |
| Feb 27, 2008 | Corporate VP, Controller & CAO | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 10,400 | $80.82 | 40,230 | |
| Feb 27, 2008 | Corp.VP, Bus Dev & Gov. Rel. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 9,750 | $80.82 | 87,128 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.