• UDMTek was designated a disclosure-rule violator for reversing a prior filing tied to a terminated single-sales supply contract.
• The breach relates to an original disclosure dated June 10, 2026, with the reversal disclosed on July 20, 2026.
• The Korea Exchange set the designation date for Oct. 12, 2026, following an Aug. 19, 2026, advance notice.
• A 3.0 penalty-point sanction was imposed, bringing the company’s trailing 12-month total to 3.0 points.

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. UDMTek 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: 20261008900934), on October 08, 2026, and is solely responsible for the information contained therein.