1. S-OIL Inks KRW 3.6 Trillion Oil Supply Deal with Nonghyup

On August 13, 2025, S-OIL finalized a significant oil supply contract with Nonghyup Economic Holdings, valued at KRW 36,066 billion. The contract spans one year, from October 1, 2025, to September 30, 2026, representing 9.8% of S-OIL’s annual revenue.

2. Q1 Earnings Slump: A Path to Recovery?

S-OIL faced difficulties in Q1 2025 due to weakened profitability in its refining segment and sluggish performance in petrochemicals. Operating income turned negative, influenced by a combination of falling oil prices, shrinking refining margins, and weakness in petrochemical product markets.

3. Positive Impacts and Potential Risks of the Contract

This contract is expected to contribute to increased and stabilized revenue for S-OIL. Secure revenue streams are particularly crucial given the recent financial downturn. However, external factors such as oil prices, refining margins, and exchange rates remain influential, and their impact on S-OIL’s recovery requires careful monitoring.

4. Key Takeaways for Investors

  • Future trends in oil prices and refining margins
  • S-OIL’s foreign exchange management strategy
  • Performance changes from Q4 2025 onwards