TiumBio grants 70,000 stock options at KRW 4,530 per share

• TiumBio granted stock options covering 70,000 common shares, issued as new shares, with an exercise price of KRW 4,530.
• Options vest over 2–4 years, with exercise available from Sept. 30, 2028 to Sept. 29, 2033.
• Award recipients: Park Eun-kyung received 50,000 options; Scott Kim received 20,000 options.
• Total outstanding stock options rose to 1,041,988 common shares following the grant.
• Per-option fair value was set at KRW 3,446.90, based on a binomial model using 83.49% expected volatility.

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. TiumBio 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: 20260930000245), on September 30, 2026, and is solely responsible for the information contained therein.