Korea Special Steel Swings to Operating Loss in Q1 2026, Debt Ratio Rises


  • Q1 2026 revenue: KRW 210.1bn (+12.8% YoY) but operating loss of KRW 3.6bn (vs operating profit of KRW 2.3bn in Q1 2025). Net loss of KRW 2.7bn (vs net loss of KRW 1.7bn).
  • Debt ratio rose to 174.78% from 158.51% at year-end 2025. Total borrowings KRW 252.2bn, net debt KRW 203.8bn.
  • Sensitivity: 10% appreciation of KRW would reduce pre-tax profit by KRW 2.3bn.
  • Ongoing tax litigation from 2025 corporate tax reassessment (KRW 70.4bn claim, pending).
  • Holding 3,518,244 treasury shares (5.79%), no new share buyback or cancellation in the quarter.
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KOSPI Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: Korea Steel (007280)
  • Submission: Korea Steel Co., Ltd.
  • Receipt: 05-15-2026