Choil Aluminum Q1 2026 Sales Up 9.9%, Operating Profit 13.1B... Battery Foil Supply Contract Ongoing, Severe Accident Lawsuit in Appeal


  • Q1 2026 revenue KRW 150.9B (YoY +9.9%), operating profit KRW 13.1B, net profit KRW 10.0B (vs KRW 8.5B in Q1 2025, +18.6%)
  • Long-term supply contract with Lotte Aluminum for battery cathode foil material (2023-2027, total KRW 1.035T) ongoing
  • 9th unsecured private bond with warrants KRW 30B outstanding (exercise price KRW 2,980, maturity 2029), derivative asset KRW 7.5M
  • Total borrowings and bonds KRW 184.3B, net debt KRW 165.8B, debt ratio 75.5% (from 68.0% at end 2025)
  • Lawsuit for violation of Severe Accident Punishment Act: first instance fine KRW 50M and suspended sentence for CEO, currently in second instance
  • Dividend: No dividend (since 2018). No share buyback or cancellation

KOSPI Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: Choil Aluminum (018470)
  • Submission: Choil Aluminum Co., Ltd.
  • Receipt: 05-15-2026