ATP YAZILIM VE TEKNOLOJİ A.Ş. Özel Durum Açıklaması (Genel) 20 Ekim 2026

As announced in our public disclosure dated 21 August 2025, our subsidiary ATP Capital Girişim Sermayesi Yatırım Ortaklığı A.Ş. ("ATP Capital") signed a Participation and Shareholders' Agreement for the acquisition of shares corresponding to 10% of the capital of Menulux Yazılım A.Ş. ("Menulux"). It was subsequently disclosed that, upon completion of the legal procedures relating to the share acquisition, ATP Capital became the holder of a 10% stake in the capital of Menulux.

In connection with this investment, an Additional Protocol was signed on 20 October 2026 between ATP Capital, Menulux and the existing Group A shareholders of Menulux.

Under the Additional Protocol, ATP Capital will make a further investment of TL 13,142,223 in Menulux by way of a capital increase with share premium. The completion of this further investment is subject to the fulfilment of the conditions set out in the Additional Protocol and to the completion of the procedures required for the capital increase. Upon completion of the transaction, ATP Capital's shareholding in the capital of Menulux will reach 15%.

In addition, the share ratio that may be acquired under the additional purchase option announced in our public disclosure dated 21 August 2025 - applicable if Menulux's financial performance for the 2027 financial year meets the conditions set out in the agreement - has been revised from 70% to 65%.

The public will be informed separately upon the completion and registration of the additional capital increase.

This statement has been translated into English for informational purposes. In case of a discrepancy between the Turkish and the English versions of this disclosure statement, the Turkish version shall prevail.