KOCAER ÇELİK SANAYİ VE TİCARET A.Ş. Özel Durum Açıklaması (Genel) 11 Kasım 2026

Kocaer Enerji A.Ş. ("Kocaer Enerji"), a 99%-owned subsidiary of our Company, is developing the Kocaer 1 Geothermal Power Plant (GPP) and Resource Exploration Project (the "Project") in the Buharkent and Kuyucak districts of Aydın Province, Türkiye. The loan agreement in principle reached with the Development and Investment Bank of Türkiye (Türkiye Kalkınma ve Yatırım Bankası A.Ş.) for the financing of the first phase of the Project was disclosed to the public and our investors through our material event disclosure dated November 9, 2026.

In this context, a Power Plant Supply Agreement (the "Agreement") was signed on November 11, 2026, between Kocaer Enerji and Italy-based Exergy International S.r.l. and its Turkish subsidiary, Exergy Turkey Türbin Enerji Teknolojileri A.Ş. (collectively referred to as "Exergy"). The Agreement covers the design, engineering, manufacturing and supply of ORC (Organic Rankine Cycle) technology-based power plant equipment for the Kocaer-1 Geothermal Power Plant, which constitutes the first phase of the Project and has a gross installed capacity of 12.34 MWe.

Material developments regarding the engineering, permitting, procurement and investment processes of the Project will continue to be disclosed to the public and our investors in accordance with applicable legislation.

Respectfully announced to the public and our investors.