Correction: Gongju LNG Plant Contract Value Raised to 180.3B Won

Contract value for Gongju LNG power plant construction increased by 1 billion won from 179.3B to 180.3B won (correction filing)
Revenue ratio slightly rose from 8.75% to 8.80% due to the increase
Total contract value (incl. VAT) is 257.5B won, with KUMHO Engineering & Construction's 70% share amounting to approx. 180.3B won
Counterparty is Korea Western Power Co., Ltd., contract period from 2024-05-01 to 2027-04-30 (1,095 days)
This contract has been amended 8 times since its initial signing in January 2024

Filing: [Correction of Description] Conclusion of Single Sale and Supply Contract
Company: KUMHO Engineering & Construction (002990)
Submission: KUMHO Engineering & Construction Co., Ltd.
Receipt: 05-18-2026
Under KRX KOSPI Market Division