| Date | Filer | Title | Filing | Type | Shares Traded | Price | Total Held |
|---|---|---|---|---|---|---|---|
| May 25, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 88 | $34.50 | 875,000 |
| May 24, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 181 | $34.50 | 874,912 |
| May 23, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 831 | $34.50 | 874,731 |
| May 22, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 1,330 | $34.50 | 873,900 |
| May 18, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 643 | $34.20 | 871,643 |
| May 18, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 927 | $34.50 | 872,570 |
| May 17, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 221 | $34.50 | 869,000 |
| May 17, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 500 | $34.45 | 869,500 |
| May 17, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 500 | $34.40 | 870,000 |
| May 17, 2012 |
Ten Percent Owner
|
Ten Percent Owner | Form 4 | Open market or private purchase of non-derivative or derivative security | 500 | $34.35 | 870,500 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.