Investment Rating - The report recommends the industry [7] Core Insights - In Q3 2025, the company achieved revenue of 20.53 trillion KRW, a quarter-on-quarter increase of 1.23 trillion KRW and a year-on-year increase of 2.88 trillion KRW [3][20] - The operating profit reached 573.5 billion KRW, with a quarter-on-quarter increase of 991.1 billion KRW and a year-on-year increase of 996.8 billion KRW, primarily driven by the recovery in refining business and strong LNG power generation performance [3][20] - The battery business reported revenue of 1.81 trillion KRW with an operating loss of 124.8 billion KRW, although SK On achieved an operating profit of 17.9 billion KRW post-merger, marking the second consecutive quarter of profitability [9][20] Summary by Relevant Sections Overall Performance - Q3 2025 revenue was 20.53 trillion KRW, with a significant increase in operating profit to 573.5 billion KRW, attributed to improved refining margins and strong performance in energy and services [3][20] Business Segment Performance 1. **Refining Business** - Revenue of 12.44 trillion KRW and operating profit of 304.2 billion KRW, benefiting from higher refining margins and oil price increases [3][20] 2. **Petrochemical Business** - Revenue of 2.41 trillion KRW with an operating loss of 36.8 billion KRW, impacted by weak benzene and olefin markets [4][20] 3. **Lubricants Business** - Revenue of 980.5 billion KRW and operating profit of 170.6 billion KRW, driven by seasonal demand and inventory gains [5][20] 4. **Oil and Gas Exploration and Production** - Revenue of 320 billion KRW and operating profit of 89.3 billion KRW, affected by natural gas price declines [6][20] 5. **Battery Business** - Revenue of 1.81 trillion KRW with an operating loss of 124.8 billion KRW, but post-merger profitability was noted [9][20] 6. **Materials Division** - Revenue of 23.5 billion KRW with an operating loss of 50.1 billion KRW, showing a reduction in losses due to cost optimization [10][20] 7. **Energy and Services** - Revenue of 2.53 trillion KRW and operating profit of 255.4 billion KRW, benefiting from increased plant utilization [11][20] Outlook for Q4 2025 - The refining business may face downward pressure on oil prices due to OPEC+ production increases, but geopolitical uncertainties may support refining margins [12][20] - The petrochemical sector is expected to face challenges due to reduced supply and slow demand recovery [13][20] - The lubricants business may experience a weak market environment due to seasonal demand decline [14][20] - The battery business faces uncertainties from weak EV demand in the US and high initial costs of new plants [16][20] - The materials business aims to reduce losses through cost control and increased orders [17][20] - The energy and services division plans to maintain stable profitability through new gas field production [18][20]