Castec Korea executive Lee Hakchul lifts stake to 38.01% from 35.62% - filing

• Lee Hakchul raised his stake in Castec Korea to 9,221,288 shares, or 38.01%, from 8,642,246 shares, or 35.62%.
• The disclosure dated Sept. 28, 2026 cited open-market buying by related parties.
• Voting rights rose in line with the shareholding to 9,221,288 shares, or 38.01%.
• A new joint-holding agreement covered 361,854 shares, or 1.49%.

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. Castec Korea 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: 20260928000365), on September 28, 2026, and is solely responsible for the information contained therein.