| May 08, 2019 |
Annual shareholders' meeting |
| July 22, 2019 |
Half year report 2019 |
| October 21, 2019 | Quarterly report Q3/2019 |
| March 16, 2020 | Annual report 2019 |
| March 16, 2020 | Analysts' conference |
| April 27, 2020 | Quarterly report Q1/2020 |