• Cosmo&Company kept its stake in Cosmo Chemical unchanged at 11,738,017 shares, or 30.56%, as of Sept. 28.
• Disclosure flagged a change tied to an extension of a share-pledge agreement, not a change in ownership.

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. Cosmo 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: 20260928000311), on September 28, 2026, and is solely responsible for the information contained therein.