Hyosung Corp stake in Hyosung Heavy Industries slips to 43.95% from 43.96%###

• Hyosung Heavy Industries’ controlling shareholder Hyosung cut its stake to 4,097,727 shares, or 43.95%, as of Sept. 23, 2026.
• Holding slipped by 974 shares from 4,098,701 shares, or 43.96%, in the prior filing dated May 27, 2025.
• Pledged shares under key contracts rose to 120,165 shares, or 1.29%, from 81,227 shares, or 0.87%.

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. Hyosung Heavy Industries 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: 20260929000610), on September 29, 2026, and is solely responsible for the information contained therein.