• Shinsung E&G CEO Lee Ji Seon increased her stake to 8.82% from 8.25%.
• She bought 115,600 common shares through after-hours trading on Oct. 19, 2026.
• The purchase price was 17,250 won per share, bringing her holdings to 1,790,621 shares.

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. Shinsung E&G 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: 20261019000074), on October 19, 2026, and is solely responsible for the information contained therein.