HD Hyundai Marine Engine will supply ship engines to affiliate HD Hyundai Heavy Industries. The ₩87.09 billion contract equals 21.6% of 2025 consolidated revenue. It runs from August 31, 2026 through July 24, 2028. The customer will pay advances and the balance according to the engine delivery schedule. The price uses the signing-date exchange rate, and the delivery period may move with the shipbuilding schedule.