| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Fresenius Medical Care AG | 9.9% | 18.3M | 0 | 18.3M | /s/ i.V. Philipp Bosch | i.V. Philipp Bosch, Senior Vice President, General Counsel Global Medical Technology (Care Enablement) | 0001333141 |