• Atum filed a correction to its significant-shareholding report, citing errors in shareholding and total voting shares.
• Corrected holding: 575,198 shares, equal to 5.68%, versus the previously reported 551,366 shares, or 6.12%.
• Voting rights were added at 23,832 shares, or 0.25%.
• Total voting shares outstanding were revised to 9,570,406 from 9,404,980.
• The corrected filing date was Oct. 12, 2026; the original submission date was July 22, 2026.

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. Atum 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: 20261012000451), on October 12, 2026, and is solely responsible for the information contained therein.