| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Artisan Partners Asset Management Inc. | 6.7% | 5,239,711 | 0 | 4,320,634 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Executive Vice President | |
| Artisan Partners Holdings LP | 6.7% | 5,239,711 | 0 | 4,320,634 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President | |
| Artisan Investments GP LLC | 6.7% | 5,239,711 | 0 | 4,320,634 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President | |
| Artisan Partners Limited Partnership | 6.7% | 5,239,711 | 0 | 4,320,634 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President |