[Feng Hsin] Invitation to Corporate Briefing by Grand Cathay Securities

In accordance with clause XX of Article 4: Date of Fact Occurrence: May 22, 2026 1. Date of Corporate Briefing Session: May 22, 2026 2. Time of Corporate Briefing Session: 2:00 PM 3. Location of Corporate Briefing Session: Online Corporate Briefing Session 4. Key Information of Corporate Briefing Session: The company has been invited to participate in Grand Cathay Securities' corporate briefing session - Q1 2026 Operating Status Report. 5. Other Statements: For registration, please contact Ms. Wang at Grand Cathay Securities at 02-25286999#658 or via email at [email protected]. For complete financial and business information, please refer to the Corporate Briefing Session list or the briefing session section on the Market Observation Post System.