Since Biotrend Cevre ve Enerji shares will start to be traded at Borsa Istanbul Stars Market on April 28, 2021, they will be included in BIST All Shares, BIST All Shares-100, BIST Stars, BIST IPO, BIST Services, BIST Electricity and BIST Izmir indices effective from April 28, 2021 and for calculation of indices, number of shares and free float ratio will be taken as 150.000.000 and 28% respectively.