Related Party Transaction Change: Over 20% Decrease vs 1Q26 Plan

HD Hyundai Marine Solution discloses change in related party transaction amounts for 1Q26, down over 20% from the plan disclosed on 2025.12.15
Counterparties: HD Hyundai Oilbank (purchases KRW 53,714mn, 3.64% of revenue), HD Hyundai Marine Solution Tech (sales KRW 1,084mn, purchases KRW 8,269mn, total 0.63%)
Total transaction amount: KRW 63,067mn (sales 1,084, purchases 62,983), previous revenue KRW 1,474,503mn
All contracts are negotiated, purposes: oil product purchases, ship parts sales, repair service purchases, etc.

Filing: Change in Goods and Services Transactions with the Same Person and Affiliated Companies
Company: HD Hyundai Marine Solution (443060)
Submission: HD Hyundai Marine Solution Co., Ltd
Receipt: 05-15-2026
Under Fair Trade Commission (KFTC)