Operating Loss Widens and Net Income Plunges 57% Due to Subsidiary's Hydrogen Business Delay


  • Sales: 162.4 billion won, up 3.4% YoY (from 157.1B to 162.4B)
  • Operating loss: 6.7 billion won (vs loss of 4.6B in prior year), loss widened by 44%
  • Net income: 5.9 billion won, down 57% from 13.6B YoY
  • Main cause: delay in infrastructure expansion of subsidiary Iljin Hyosolution's hydrogen business
  • Total assets: 611.6B won, liabilities: 72.6B won, equity: 539.0B won (no capital erosion)
  • Unaudited; figures may change after external audit

KOSPI Filing Information


  • Filing: Change in Sales or Profit Structure of 30% (15% for Large Corporations) or More
  • Company: ILJIN DIAMOND (081000)
  • Submission: ILJIN DIAMOND CO., LTD.
  • Receipt: 02-04-2026
  • Under KRX KOSPI Market Division