Total Voting Rights Announcement according to Article 26a of the WpHG
| Date of publication | Type of capital measure | New total number of voting rights |
| December 8, 2017 | Other capital measure Site of the announcement | 8,896,527 as of December 7, 2017 |
| October 13, 2016 | Other capital measure Correction | 8,087,752 as of October 7, 2016 |
| October 13, 2016 | Conditional capital increase Site of the announcement | 8,087,752 as of October 7, 2016 |
| June 29, 2016 | Other capital measure Site of the announcement | 6,065,814 as of June 27, 2016 |