STX Engine Reports Q1 2026 Consolidated Revenue of KRW 189B, Operating Profit KRW 17.5B


  • Q1 2026 consolidated revenue KRW 189B (+35.8% YoY), operating profit KRW 17.5B, net income KRW 16.7B
  • Order backlog KRW 2.01 trillion; defense segment (special business) accounts for 44.6% of sales
  • Total borrowings KRW 352.7B, cash KRW 110.3B, net debt KRW 242.5B, gearing ratio 40.2%
  • Variable-rate debt 87.2%; 100bp rate hike would impact annual profit by ~KRW 3.1B
  • FX sensitivity: USD +10% → profit +KRW 2.3B, EUR +10% → loss –KRW 9.9B
  • Key customers: Hanwha Aerospace (24.2%), Hanwha Ocean (10.4%), DAPA (9.1%)
  • R&D expense KRW 2.9B (1.55% of sales); government-led projects on eco-friendly/ammonia engines ongoing
  • Litigation: legal case related to KTMI (contingent liability); bidding restriction (2024.06~2026.06)
  • Dividends: no dividends for past 5 years; shareholder return policy under review (no concrete plan)

KOSPI Filing Information


  • Filing: Quarterly Report (2026.03)
  • Company: STX Engine (077970)
  • Submission: STX Engine Co., Ltd.
  • Receipt: 05-15-2026