| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| State Farm Mutual Automobile Insurance Company | 3.8% | 1,761,600 | 1,761,600 | 0 | /s/ Joseph P. Young | Vice President | |
| State Farm Fire and Casualty Company | 1.1% | 492,000 | 492,000 | 0 | /s/ Joseph P. Young | Vice President | |
| State Farm Investment Management Corporation | 3% | 1,395,100 | 0 | 1,395,100 | /s/ Joseph P. Young | Vice President | |
| State Farm Insurance Companies Employee Retirement Trust | 1.5% | 671,323 | 671,323 | 0 | /s/ Joseph P. Young | Vice President |