Since Kafein Yazılım shares will start to trade at Borsa Istanbul Main Market on May 16, 2018, they will be included in BIST All Shares, BIST All Shares-100, BIST Main, BIST Technology, BIST Technology Capped, BIST Inf. Technology, BIST İstanbul and BIST IPO indices effective from May 16, 2018 and for the calculation of indices, shares outstanding and free float ratio will be taken as 18,000,000 and 39% respectively.