| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Thomas Schmidheiny | 6.7% | 37,818,703 | 37,818,703 | 0 | /s/ Thomas Schmidheiny | Thomas Schmidheiny | 0001165731 |
| Schweizerische Cement-Industrie-Aktiengesellschaft | 6.5% | 37,111,376 | 37,111,376 | 0 | /s/ Thomas Schmidheiny | Thomas Schmidheiny / Chairperson of the Board | |
| Cimcap AG | 0.12% | 678,450 | 678,450 | 0 | /s/ Thomas Schmidheiny | Thomas Schmidheiny / Chairperson of the Board |