Philoptics director Sim Sang Won lifts stake to 0.03% from 0.02% after stock option exercise

• Philoptics director Sim Sang Won lifted his stake to 7,400 common shares, raising ownership to 0.03% as of Oct. 2.
• Holding increased by 3,000 shares from 4,400 shares, driven by a stock purchase option on Sept. 29 at KRW 9,340.

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. Philoptics 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: 20261002000531), on October 02, 2026, and is solely responsible for the information contained therein.