| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Artisan Partners Asset Management Inc. | 5.3% | 4,290,924 | 0 | 4,121,885 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Executive Vice President | |
| Artisan Partners Holdings LP | 5.3% | 4,290,924 | 0 | 4,121,885 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President | |
| Artisan Investments GP LLC | 5.3% | 4,290,924 | 0 | 4,121,885 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President | |
| Artisan Partners Limited Partnership | 5.3% | 4,290,924 | 0 | 4,121,885 | /s/ Gregory K. Ramirez | Gregory K. Ramirez, Vice President |