Borsa İstanbul Ordinary General Assembly Meeting Dated 27 September 2018 To Review Financial Year 2017

Annual Shareholders’ Meeting conducted on 31.08.2018 has been postponed in accordance with the Art. 418 of Turkish Commercial Code as the number of attendants was not enough to make quorum. In line with the decision of Borsa İstanbul Board of Directors 31.08.2018, shareholders of Borsa İstanbul A.Ş. are invited to attend the Annual Shareholders’ Meeting to be held on Thursday, September 27, 2018, at 14.00 p.m. at “Borsa İstanbul A.Ş. Reşitpaşa Mah. Borsa İstanbul Cad. No: 4 34467 Sarıyer/İstanbul”. Details are available at http://www.borsaistanbul.com/en/investor-relations/general-assembly-meetings.