4555 Chi Li to Attend Corporate Briefing Hosted by Fubon Securities

Announcement Date: August 11, 2026 Statement Date: August 10, 2026 Statement Time: 14:43:13 Company Code: 4555 Company Name: Chi Li Subject: The company has been invited to attend a corporate briefing hosted by Fubon Securities Applicable Clause: Clause 12 Factual Date: August 12, 2026

Details: In accordance with Clause 4, Subsection XX, Item 12 Factual Date: August 12, 2026

1. Date of Corporate Briefing: August 12, 2026 2. Time of Corporate Briefing: 14:30 3. Venue of Corporate Briefing: 5F, No. 111, Section 2, Nanjing East Road, Zhongshan District, Taipei City 4. Summary of Briefing: The company has been invited to participate in a corporate presentation hosted by Fubon Securities to provide an overview of its business operations and related information. 5. Additional Notes: Presentation materials will be uploaded to the Public Information Observation Station on the day of the briefing. For complete financial and business information, please refer to the Corporate Briefing Schedule or the Corporate Presentation section on the Public Information Observation Station.