Contract value for Changi Airport T5 substructure work increased by 25% to KRW 36.6 billion


  • Contract amount for substructure work of Singapore Changi Airport Terminal 5 (Package B) increased by 24.8% from KRW 29.4bn to KRW 36.6bn (from 7.5% to 9.3% of revenue).
  • Counterparty: Obayashi Singapore Private Limited; contract period: 2025-03-19 to 2026-05-18.
  • Part of the Terminal 5 project with annual capacity of 50 million passengers, scheduled to open in mid-2030s.
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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: 05-08-2026
  • Under KRX KOSPI Market Division