Reference: Public disclosure of Türkiye İş Bankası A.Ş. (İşbank) on 03.11.2025.The draft Issuer Information Document related to the issuance of borrowing instruments with a nominal value  of TRY 110 Billion within one year, submitted for approval of Capital Markets Board is attached hereto. This is the translation of the Turkish public disclosure made by Türkiye İş Bankası A.Ş. through the Public Disclosure Platform, under the Material Events Guideline prepared in accordance with the Communique of Material Events, numbered II-15.1. According to the Material Events Guideline and the regulations, the Turkish public disclosure shall prevail.