Since Oncosem Onkolojik Sistemler shares will start to be traded at Borsa Istanbul Main Market on January 04, 2023, they will be included in BIST All Shares, BIST All Shares-100, BIST Main, BIST IPO, BIST Participation All Shares, BIST Industrials, BIST Chem. Petrol Plastic and BIST Ankara indices effective from January 04, 2023 and for calculation of indices, number of shares and free float ratio will be taken as 23.850.000 and 25% respectively.