KOÇ HOLDİNG A.Ş. (Pay Alım Satım Bildirimi)

Our Company has resolved to sell Class A shares with a total nominal value of TRY 11,000,000 it holds in the share capital of Türkiye Petrol Rafinerileri A.Ş. ("Tüpraş"), representing approximately 0.57% of its issued share capital, and our Company's indirect controlling shareholder Temel Ticaret ve Yatırım A.Ş. has resolved to sell Class A shares with a total nominal value of TRY 5,019,979 it holds in Tüpraş, representing approximately 0.26% of its issued share capital, to Merrill Lynch International at a price of TRY 384,50 TL per share with a nominal value of TRY 1.

In order to facilitate the settlement of the Transaction which is planned to be effected as a wholesale transaction, Bank of America Yatırım Bank A.Ş. will apply to Borsa Istanbul A.Ş. ("BIST") on 02.09.2026. Subject to the timing of BIST's approval, the wholesale transaction is expected to be effected on 03.09.2026 and to be settled on 07.09.2026. As of today, the shares are not in tradeable form, and the conversion process to render such shares tradable on BIST is expected to be completed as of the Transaction date.

Following completion of the Transaction, our Company's direct shareholding in Tüpraş will be approximately 3.7% and the total shareholding of Koç Holding and its subsidiary Enerji Yatırımları A.Ş. in Tüpraş will be approximately 50.1% while Tüpraş's free float ratio will increase to 49.7%.

This statement has been translated into English and simultaneously announced for informational purposes. In the event of any discrepancy between the Turkish and the English versions, the Turkish version shall prevail.