| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Apr 29, 2008 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 1,500 | $74.29 | 9,072 | |
| Apr 29, 2008 | Director | Form 4 | Open market or private sale of non-derivative or derivative security | 1,500 | $74.32 | 7,572 | |
| Apr 29, 2008 | Corp VP & Pres Integrated Sys. | Form 4 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 2,696 | $74.18 | 2,696 | |
| Apr 29, 2008 | Director | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $74.37 | 51,922 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition (describe transaction) | 685 | $77.81 | 10,150 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition | -- | -- | 7,572 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition (describe transaction) | 536 | $77.81 | 13,451 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition | -- | -- | 1,919 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition (describe transaction) | 647 | $77.81 | 2,049 | |
| Mar 31, 2008 | Director | Form 4 | Other acquisition or disposition (describe transaction) | 336 | $77.81 | 3,871 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.