| 18.08.2015 | Correction invitation to the Annual General Meeting of 15. December 2015 |
| 15.08.2015 | Invitation to the Annual General Meeting on 21. February 2016 |
| 05.08.2015 | Publication of the Financial Statements and Annual General Meeting |
| 09.07.2015 | New Employee Representative on the Supervisory Board |
| 26.05.2015 | Notification of Voting Rights |
| 15.12.2014 | Notification of Voting rights |
| 08.09.2014 | Judicial Appointment of Supervisory Board Member |
| 05.08.2014 | Notification of Voting Rights |
| 21.07.2014 | Notification of Voting Rights |
| 12.06.2014 | Resignation from Supervisory Board |
| 12.06.2014 | Notification of Voting Rights |
| 12.06.2014 | Notification of Voting Rights |
| 06.06.2014 | Notification of Voting Rights |
| 15.05.2014 | Declaration Pursuant to Section 27a Paragraph 1 of the German Securities Trading Act (WpHG) |
| 15.05.2014 | Declaration Pursuant to Section 27a Paragraph 1 of the German Securities Trading Act (WpHG) |
| 14.05.2014 | Notification of Voting Rights |
| 14.05.2014 | Notification of Voting Rights |
| 14.05.2014 | Notification of Voting Rights |
| 14.05.2014 | Notification of Voting Rights |
| 18.03.2014 | Notification of Voting Rights |
| 18.03.2014 | Notification of Voting Rights |
| 11.02.2014 | Ad Hoc Financial Year 2013 & Procurement Financing |
| 23.01.2014 | Notification of Voting Rights |
| 23.01.2014 | Notification of Voting Rights |
