TÜRK TELEKOMÜNİKASYON A.Ş.

As per the decision of our Audit Committee, compliant with the corporate governance principle no 4.5.9 of Corporate Governance Communique of the Capital Markets Board, our Company's Board of Directors has resolved to appoint Güney Bağımsız Denetim ve Serbest Muhasebeci Mali Müşavirlik A.Ş. (Ernst & Young) for the auditing of our Company's accounting period of 2025, pursuant to the Article 399 of Turkish Commercial Code and the article 17/A of our Company's Articles of Association. The decision will be submitted to the approval of shareholders at the 2024 Ordinary General Assembly Meeting.