HALK GAYRİMENKUL YATIRIM ORTAKLIĞI A.Ş. (Özel Durum Açıklaması (Genel))

In accordance with the Board of Directors' decision taken by our company;

It has been decided to establish the "Halk GYO – STS Grup Ordinary Joint Venture" for the Urban Transformation Project to be developed on a 21,907 m² land plot (located in Adana province, Seyhan district, Kurtuluş Neighborhood) with partnership shares set at 45% for STS Grup Çelik Yapı İnşaat Tic. Ltd. Şti. and 55% for Halk Gayrimenkul Yatırım Ortaklığı A.Ş.; the "Ordinary Joint Venture Agreement" was signed between the parties on August 31, 2026.

We respectfully submit this information for the knowledge of our investors and the public.

Kind regards,

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