Guanglong to Participate in Hua Nan Yong Chang Securities-Hosted Investor Briefing on July 24, 2026

Announcement Date: 115/07/24 Statement Date: 115/07/23 Statement Time: 15:18:12 Company Code: 1537 Company Name: Guanglong Main Point: Our company has been invited to attend the investor briefing hosted by Hua Nan Yong Chang Securities on July 24, 2026. Compliance Clause: Clause 12 Factual Date: 115/07/24 Explanation: Complies with Article 4, Paragraph XX: Clause 12 Factual Date: 115/07/24 1. Date of Investor Briefing: 115/07/24 2. Time of Investor Briefing: 14:00 3. Location of Investor Briefing: 4F, No. 54, Minsheng E. Rd., Sec. 4, Taipei City (Room 402) 4. Summary of Investor Briefing: Our company has been invited to attend the investor briefing hosted by Hua Nan Yong Chang Securities on July 24, 2026, to present company overview and publicly disclosed financial, business, and related information to institutional investors. 5. Other Disclosures: The presentation materials have been disclosed on the 'Public Information Observation Station' as required. For complete financial and business information, please refer to the investor briefing schedule or the investor presentation section on the Public Information Observation Station.