[Chengmei Materials] Board of Directors Resolution to Convene the 2026 Annual General Meeting

1. Board of Directors Resolution Date: 115/04/14 2. Annual General Meeting Date: 115/06/30 3. AGM Venue: No. 112, Minsheng Road, Xinhua District, Tainan City 4. AGM Method (Physical Meeting/Video-Assisted/Video Meeting): Physical Meeting 5. Agenda Item 1: Reporting Matters (1): 2025 Fiscal Year Business Report. (2): 2025 Fiscal Year Audit Committee Audit Report. (3): 2025 Fiscal Year Director Remuneration Report. (4): Report on the execution status of the company's treasury stock buyback. 6. Agenda Item 2: Approval Matters (1): 2025 Fiscal Year Business Report and Financial Statements. (2): 2025 Fiscal Year Loss Allocation Proposal. 7. Provisional Motions: 8. Book Closure Start Date: 115/05/02 9. Book Closure End Date: 115/06/30 10. Other Matters to be Noted: None