IS Dongseo CEO Bae Ki — moon raises stake to 4,005 shares from 3,000 shares###

IS Dongseo CEO Bae Ki-mun lifted his holding to 4,005 common shares from 3,000 on Oct. 14, 2026. The stake remained 0.01% of outstanding shares, despite the increase. The change followed an on-market purchase of 1,005 shares at KRW 14,384 per share. 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. IS Dongseo 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: 20261014000019), on October 14, 2026, and is solely responsible for the information contained therein. (C)