Contract Period Extended by 1 Year for Mountnine Resort Construction

Contract period correction: end date extended from 2026-05-10 to 2027-05-10 (57 months after construction start).
Contract amount remains at KRW 228,684,490,000 (excluding VAT, 164.4% of recent sales).
Counterparty: Uni Resort Development Co., Ltd.; construction site in Hongcheon-gun, Gangwon-do.
Payment terms: monthly progress payments; no advance or down payment.
This disclosure is a correction reflecting the change in contract period of an existing single sales/supply contract.

Filing: [Correction of Description] Conclusion of Single Sale and Supply Contract
Company: ShinwonConstruction (017000)
Submission: ShinwonConstruction
Receipt: 05-08-2026
Under KRX KOSDAQ Market Division