Hyosung Chemical Improvement Period Ends, Delisting Review Ahead


  • Hyosung Chemical was granted an improvement period until April 30, 2026, following a Corporate Review Committee meeting on April 30, 2025.
  • Within 7 business days after the period ends (by May 13, 2026), the company must submit documents including a performance report of the improvement plan.
  • Korea Exchange will hold a Corporate Review Committee meeting within 20 business days from the request date to deliberate on compliance and listing eligibility.
  • A decision on delisting will be made within 3 business days after the committee meeting.
  • This is a procedural notice; the outcome of the review may lead to significant stock price volatility.
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KOSPI Filing Information


  • Filing: Other Market Notice (End of Improvement Period and Guidance on Future Procedures)
  • Company: Hyosung Chemical (298000)
  • Submission: Securities Market Division
  • Receipt: 04-30-2026
  • Under KRX KOSPI Market Division