[Greeting] Dongkuk Steel

2023 Regular Executive Personnel Appointment

◆Dongkuk Steel

▶Head of Central Technology Research Institute Kim Young-hwan ▶Heavy Plate Sales Manager Kim Jong-sik ▶Dangjin Plant Production Manager Park Byung-kyu ▶Busan Plant Management Manager Bang Seung-hyun

▶Incheon Plant Manager Choi Sam-young

▶Head of Strategy Office Kwak Jin-soo ▶Head of US Corporation Lee Hyun-sik ▶Incheon Plant Production Manager Jang Sun-ik

▶Cold Rolled and Coated Production Manager Jung Soo-hwan ▶Head of Management Support Office Kim Ji-hoon

▶Vice President Choi Sam-young (Incheon Plant Manager → COO) ▶Executive Director Jang Sun-ik (Incheon Plant Production Manager → Purchasing Office Manager) ▶Managing Director Lee Dae-sik (Heavy Plate Sales Manager → Hot Rolled Sales Office Manager) ▶Managing Director Lee Chan-hee (Partner Cooperation Office Manager → Incheon Plant Manager) ▶Director Byun Hong-yeol (Busan Plant Management Manager → Partner Cooperation Office Manager) ▶Director Yang Sung-ho (Dangjin Plant Production Manager → Incheon Plant Production Manager) ▶Director Kim Han-gi (Trade Team Leader → Marketing Office Manager)

◆Intergis

▶Port Operations Headquarters Head Jung Tae-hyun ▶Management Strategy Headquarters Head Kwon Kwang-yong

▶Managing Director Jung Tae-hyun (Port Operations Headquarters Head → Sales Headquarters Yeongnam Branch Manager) ▶Director Kim Dong-hoon (Sales Headquarters Yeongnam Branch Manager → Port Operations Headquarters Head) ▶Director Kang Ki-hyung (Logistics Operations Headquarters Yeongnam Branch Manager → Logistics Operations Headquarters Gyeongin Branch Manager)

◆Dongkuk Systems

▶Head of External Business Headquarters Kim Oh-ryeon