| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| May 09, 2011 | Chf. Exec. Officer & President | 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 | 8,536 | $64.81 | 327,129 | |
| May 09, 2011 | Chf. Exec. Officer & President | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 54,688 | $43.14 | -- | |
| Apr 04, 2011 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 132,918 | |
| Apr 04, 2011 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 4,782 | |
| Apr 04, 2011 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 2,861 | |
| Mar 31, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 27,207 | -- | 317,379 | |
| Mar 31, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 54,688 | -- | 54,688 | |
| Mar 31, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 43,750 | -- | 43,750 | |
| Mar 31, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 49,219 | -- | 49,219 | |
| Mar 31, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 59,063 | -- | 59,063 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.