S-Oil reported Q1 2026 operating profit of $838M, marking a return to profitability year-over-year, as disclosed via DART filing (May 11, 2026).
Results at a Glance
Revenue declined 0.5% year-over-year to $6.1B. However, both operating profit and net income staged a clear recovery, exiting the loss territory recorded in the same period last year.
- Revenue: $6.1B, -0.5% YoY, +1.7% QoQ
- Operating Profit: $838M, turned profitable YoY (vs. -$15M in Q1 2025), +231.0% QoQ
- Pre-tax Profit: $675M, turned profitable YoY (vs. -$46M in Q1 2025)
- Net Profit: $491M, turned profitable YoY (vs. -$30M in Q1 2025)
Market Reaction
According to media reports, the primary drivers behind the earnings improvement were inventory valuation gains from rising oil prices and a recovery in refining margins. The operating margin for the quarter (operating profit / revenue) works out to approximately 13.8%. S-Oil held a bilingual (Korean and English) earnings conference call on the morning of May 11, 2026.
This article was auto-generated based on the original DART filing and domestic/international media reports, with the goal of delivering key data promptly following the announcement. Readers are advised to consult the company's official disclosure documents before making any investment decisions.

