Contract Amount Increased to 28.3 Billion Won for Singapore Ground Improvement Works – Correction Disclosure


  • Contract amount for Singapore NSC 101 ground improvement works increased from KRW 24.3 billion to KRW 28.3 billion (approx. 16.4% increase)
  • Contract counterparty is GS Engineering & Construction Corp.; contract period: 2019-04-01 to 2026-12-31
  • Ratio to revenue rose from 7.7% to 9.0% (based on 2020 consolidated revenue of KRW 314.6 billion)
  • This is a correction of the disclosure made on April 7, 2025, reflecting changes in GST (9%) and exchange rate
  • Contract amount equivalent to SGD 24,525,312.83 (at KRW 1,154.26/SGD)
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KOSPI Filing Information


  • Filing: [Correction of Description] Conclusion of Single Sale and Supply Contract
  • Company: Dong-Ah Geological Engineering (028100)
  • Submission: Dong-Ah Geological Engineering Company LTD.
  • Receipt: 04-29-2026
  • Under KRX KOSPI Market Division