Events calendarALTEO – corporate events calendar for 2023 – modified on the 17th of January, 2023_2023.01.17. ALTEO – corporate events calendar for 2023 – modified on the 17th of January, 2023 Shareholder notification – WAM – 2023.01.02. MEKH has given its preliminary approvals for indirect acquisitions of control – 2023.01.13.