Chuan An: Supplemental announcement regarding the Board of Directors' resolution to convene the 2026 Annual General Meeting of Shareholders (re-uploaded due to automatic transfer format requirements for electronic voting)

1. Date of Board of Directors' resolution: 2026/05/08 2. Date of Shareholders' Meeting: 2026/06/26 3. Location of Shareholders' Meeting: Meeting Hall, Library, Minsheng University of Science and Technology, No. 1, Dahua Road, Qionglin Township, Hsinchu County 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 Operating Report. (2): Audit Committee's report on the review of the 2025 financial statements. (3): Report on the execution of share buyback program. 6. Agenda Item 2: Approval Matters (1): 2025 Operating Report and Financial Statements. (2): 2025 Loss Compensation Plan. 7. Agenda Item 3: Discussion Matters (1): Proposal to amend certain articles of the 'Company Charter'. 8. Agenda Item 4: Election Matters (1): Complete re-election of directors. 9. Agenda Item 5: Other Matters (1): Proposal to lift the non-compete restrictions on newly appointed directors and their representatives. 10. Provisional Motions: None 11. Book Closure Start Date: 2026/04/28 12. Book Closure End Date: 2026/06/26 13. Other matters to be specified: In accordance with Article 172-1 and Article 192-1 of the Company Act, the company will accept written proposals and nominations for the Annual General Meeting of Shareholders from April 20 to April 30, 2026, at 5:00 PM. Acceptance location: 2F, No. 19, Lane 146, Xinhu 2nd Road, Neihu District, Taipei City.