| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Feb 15, 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 | 17,084 | $69.14 | 186,416 | |
| Feb 15, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 61,636 | $69.14 | 248,052 | |
| Feb 15, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 61,636 | $69.14 | 309,688 | |
| Feb 15, 2011 | Chf. Exec. Officer & President | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 262,271 | -- | 262,271 | |
| May 18, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition (describe transaction) | 21,328 | -- | 203,500 | |
| May 18, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition (describe transaction) | 21,328 | -- | 113,402 | |
| May 18, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition | -- | -- | 4,652 | |
| May 17, 2010 | 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 | 18,672 | $63.67 | 224,828 | |
| Mar 01, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition (describe transaction) | 14,845 | -- | 243,500 | |
| Mar 01, 2010 | Chf. Exec. Officer & President | Form 4 | Other acquisition or disposition (describe transaction) | 14,845 | -- | 92,074 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.