| May 09, 2018 |
Annual shareholders' meeting |
| July 23, 2018 |
Half year report 2018 |
| October 22, 2018 | Quarterly report Q3/2018 |
| March 11, 2019 | Annual report 2018 |
| March 11, 2019 | Analysts' conference |
| April 29, 2019 | Quarterly report Q1/2019 |