X0607 3 2025-12-09 1 0001049659 NATIONAL STEEL CO SID 0002119831 Salama David Moise true AVENIDA BRIGADEIRO FARIA LIMA, 3400 20 ANDAR SAO PAULO SAO PAULO D5 04538-132 0 1 0 0 Executive Officer /s/ Mayra Favero Celleguin, Attorney-in-Fact for David Moise Salama 2026-03-18