2231 WEI SHENG: Announcement of CFO Change at Key Subsidiary Li Cheng Systems Technology

Release Date: June 25, 2026 Statement Date: June 24, 2026 Statement Time: 13:35:06 Company Code: 2231 Company Name: WEI SHENG Subject: Announcement of Financial Officer Change at Key Subsidiary Li Cheng Systems Technology Co., Ltd.

Announcement of Financial Officer Change Applicable Clause: Item 8 Factual Date: June 24, 2026

Details: 1. Type of Personnel Change (Please select from Spokesperson, Acting Spokesperson, Key Operational Executive (e.g., CEO, COO, CMO, CSO), Financial Officer, Accounting Officer, Corporate Governance Officer, CISO, R&D Officer, Internal Audit Officer, Litigation/Non-litigation Agent): Financial Officer 2. Date of Change: June 24, 2026 3. Former Officer's Name, Title, and Resume: Wang Meng-Xiang / Senior Deputy Director, Finance Department, Li Cheng Systems Technology Co., Ltd.; Deputy Director, Audit Department / Deputy Director, HR Department, Hwa Yu Pharmaceutical Co., Ltd. 4. New Officer's Name, Title, and Resume: Liu Wan-Hua / Head of Finance Center, WEI SHENG Electric Equipment Industrial Co., Ltd. 5. Nature of Change (Please enter 'Resignation', 'Transfer', 'Layoff', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): New Appointment 6. Reason for Change: Board of Directors approved the appointment 7. Effective Date: June 24, 2026 8. Other Matters to be Disclosed: None