5288 Fong Shiang-KY to Participate in Kang Ho Securities' Investor Briefing

Release Date: June 19, 2026 Statement Date: June 18, 2026 Statement Time: 15:37:31 Company Code: 5288 Company Name: Fong Shiang-KY Purpose: Announcement of participation in an investor briefing hosted by Kang Ho Securities Applicable Clause: Clause 12 Factual Date: June 30, 2026

Details: Complies with Article 4, Subsection XX: 12 Factual Date: 06/30/2026

1. Date of Investor Briefing: 06/30/2026 2. Time of Investor Briefing: 2:00 PM 3. Location of Investor Briefing: B2 Zhihui Hall, Headquarters of Kang Ho Securities (No. 176, Section 1, Keelung Road, Xinyi District, Taipei City) 4. Summary of Investor Briefing: Fong Shiang-KY has been invited to participate in an investor briefing hosted by Kang Ho Securities 5. Other Matters to Note: None

For complete financial and business information, please refer to the investor briefing schedule or related sections on the Public Information Observation Station.