• Kumho Petro Chemical Vice President Park Ju-hyung increased his stake to 1.19% from 1.18%.
• He bought 400 common shares on October 15, 2026, at KRW 110,600 per share.
• His holdings totaled 331,980 shares as of October 22, 2026.

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. Kumho Petro Chemical Co. Ltd. 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: 20261022000135), on October 22, 2026, and is solely responsible for the information contained therein.