APEX: Supplemental Announcement of Board Resolution to Convene 2026 Annual General Meeting of Shareholders

1. Date of board resolution: 2026/05/12 2. Date of shareholders' meeting: 2026/06/25 3. Location of shareholders' meeting: No. 9, Minsheng Street, Tucheng District, New Taipei City 4. Method of convening shareholders' meeting (physical shareholders' meeting / video-assisted shareholders' meeting / video shareholders' meeting): Physical shareholders' meeting 5. Agenda Item 1: Reporting matters (1): 2025 Business Performance Report (2): Audit Committee's Review Report on 2025 Financial Statements (3): Report on 2025 Employee and Director Remuneration Distribution (4): Report on 2025 Profit Distribution and Cash Dividends 6. Agenda Item 2: Approval matters (1): Approval of 2025 Business Report and Financial Statements (2): Approval of 2025 Profit Distribution Plan 7. Agenda Item 3: Discussion matters (1): Amendment to "Articles of Incorporation" (New) (2): Amendment to "Rules of Procedure for Shareholders' Meetings" (New) 8. Ad-hoc motions: 9. Start date of share transfer suspension: 2026/04/27 10. End date of share transfer suspension: 2026/06/25 11. Other matters to be specified: (1) Meeting time: 09:00 AM (2) Explanation for accepting shareholder proposals: 1. In accordance with Article 172-1 of the Company Act, the period for accepting shareholder proposals is from April 17, 2026, to 5:00 PM on April 27, 2026. 2. The acceptance location is the Company (Address: No. 9, Minsheng Street, Tucheng District, New Taipei City). (3) Shareholders may exercise their voting rights electronically at this shareholders' meeting. Related matters are as follows: 1. Exercise period: From May 26, 2026, to June 22, 2026. 2. Electronic voting platform: Taiwan Depository & Clearing Corporation, Website: https://stockservices.tdcc.com.tw Keywords: Material Information