• Haesung Optics will cancel 32,061 common treasury shares under a board resolution dated Oct. 20, 2026.
• The shares have a total book value of KRW 719.59 million and a par value of KRW 500 each.
• Issued common shares will decrease from 60,914,031 to 60,881,970, with no reduction in capital.

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. Haesung Optics 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: 20261020900609), on October 20, 2026, and is solely responsible for the information contained therein.