S-OIL

Financial Information

Domestic Credit Ratings

Domestic Credit Ratings : Credit Rating Agencies, Credit Rating, Note Table

Credit Rating Agencies	Credit Rating	Date of last change
NICE Investors Service(NICE)	AA+ (Stable)	2026. 2. 9
Korea Investors Service(KIS)	AA+ (Stable)	2026. 3. 25
Korea Ratings(KR)	AA+ (Stable)	2024. 8. 21

Overseas Credit Ratings

Overseas Credit Ratings : Credit Rating Agencies, Credit Rating, Note Table

Credit Rating Agencies	Credit Rating	Date of last change
S&P	BBB (Stable)	2022. 12. 15
Moody's	Baa2 (Stable)	2026. 8. 27

Disclaimer

• The IR section of this Web site contains forward-looking statements that are based on our current expectation, assumptions, estimates and projections about S-OIL and the refinery industry. We caution you not to place undue reliance on any forward-looking statement which may involve various risks and uncertainties.
• Please also note that although we believe that the assumptions on which our forward-looking statements are based on reasonable, any of those assumptions could prove to be inaccurate, and, as a result, the forward-looking statements based on those assumptions could be incorrect. Except as required by law, we do not undertake to release the results of any revisions of these forward-looking statements to reflect future events or circumstances.