| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| PRINCIPAL GLOBAL INVESTORS, LLC | 6.9% | 31,975,602 | 0 | 31,975,602 | /s/ J. Markham Penrod | Chief Compliance Officer - North America, Principal Asset Management | |
| PRINCIPAL FUNDS, INC. | 6% | 27,773,075 | 0 | 27,773,075 | /s/ John L. Sullivan | Counsel and Assistant Secretary |