1563 Chia Hsin to Attend Hua Nan Yong Chang Securities' Investor Briefing

Release Date: August 8, 2026 Statement Date: August 7, 2026 Statement Time: 18:06 Company Code: 1563 Company Name: Chia Hsin Purpose: Chia Hsin has been invited to attend the in-person investor briefing hosted by Hua Nan Yong Chang Securities to present its second-quarter 2026 operational results and outlook. Applicable Clause: Clause 12 Factual Date: August 10, 2026 Details: Applicable under Clause 4, Item XX: 12 Factual Date: August 10, 2026 1. Date of Investor Briefing: August 10, 2026 2. Time of Investor Briefing: 2:00 PM 3. Location of Investor Briefing: 5th Floor Conference Room 500, Hua Nan Yong Chang Securities, No. 54, Section 4, Minsheng East Road, Taipei 4. Summary of Investor Briefing: Chia Hsin will present its Q2 2026 operational performance and future outlook at the in-person investor briefing hosted by Hua Nan Yong Chang Securities. 5. Other Matters: None For complete financial and business information, please refer to the investor briefing schedule or related sections on the Public Information Observation Station website.