S — Oil CSO Sells Entire 1,000 — Share Holding

S-Oil CSO Hong Seung-pyo sold all 1,000 common shares on Oct. 12, 2026, reducing his holding to zero. The Oct. 15 disclosure listed the sale price at KRW 169,900 per share. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. S-Oil Corporation published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20261015000064), on October 15, 2026, and is solely responsible for the information contained therein. (C)