| ATAER HOLDİNG ANONİM ŞİRKETİ | MURAT YALÇINTAŞ | Male | Chairman of the Board | Business and administration professionals | 27/05/2013 | Non-Executive | - | OYAK General Manager and Board Member | Yes | - | B | Dependent Member | | Not Considered | No | |
| ERDEMİR MADENCİLİK SANAYİ VE TİCARETAŞ | MUSTAFA SERDAR BAŞOĞLU | Male | Executive Director | Business and administration professionals | 18/09/2012 | Executive | OYAK Mining Metallurgy Group, Financial Management and Financial Affairs Group Vice President / OYAK Mining Metallurgy Group, Finance Director | Has various periodical seats in the Board of Directors as Chairmen/ Members within the OYAK Group Companies. | Yes | - | B | Dependent Member | | Not Considered | No | |
| OYAK PAZARLAMA HİZMET VE TURİZM ANONİM ŞİRKETİ | İSMAİL DOĞAN | Male | Executive Director | Business and administration professionals | 17/09/2012 | Executive | - | OYAK Çimento Fabrikaları A.Ş. - Board Member / TUA - Türkiye Uzay Ajansı - Board Member / TÜBİTAK - Board Member | Yes | - | B | Dependent Member | | Not Considered | No | |
| ERDEMİR MÜHENDİSLİK YÖNETİM VE DANIŞMANLIK HİZMETLERİ ANONİM ŞİRKETİ | AHMET TAŞKIN | Male | Member of the Board | Business and administration professionals | 17/09/2012 | Non-Executive | - | Has various periodical seats in the Board of Directors as a Member within the OYAK Group Companies. | Yes | - | B | Dependent Member | | Not Considered | No | |
| ERDEMİR ÇELİK SERVİSMERKEZİ SANAYİ VE TİCARET A.Ş | TOLGA SAYGUN | Male | Member of the Board | Business and administration professionals | 13/09/2012 | Non-Executive | Erdemir Mühendislik General Manager | Has various periodical seats in the Board of Directors as a Member within the OYAK Group Companies. | Yes | - | B | Dependent Member | | Not Considered | No | |
| T.C. HAZİNE VE MALİYE BAKANLIĞI ÖZELLEŞTİRME İDARESİ BAŞKANLIĞI | HİLAL YÜCEL | Female | Member of the Board | Senior Government Official | 20/09/2012 | Non-Executive | - | ÖİB, Project Group Leader | Yes | - | A | Dependent Member | | Not Considered | No | |
| ALPER KANCA | | Male | Member of the Board | Business and administration professionals | 26/03/2026 | Non-Executive | - | Kanca El Aletleri A.Ş., General Manager | Yes | - | B | Independent Member | | Considered | No | |
| UĞUR SÜEL | | Female | Member of the Board | Business and administration professionals | 26/03/2026 | Non-Executive | - | Deloitte Eğitim Vakfı,Deputy Chairman / US Consulting,Managing Partner | Yes | - | B | Independent Member | | Considered | No | |
| STEVEN YOUNG | | Male | Member of the Board | Business and administration professionals | 26/03/2026 | Non-Executive | - | Çalık Holding,Board Member / DEİK,Türkiye?Australia Business Council Chairman / Türk-Alman Üniversitesi,Member of the Board of Trustees | Yes | - | B | Independent Member | | Considered | No | |