【Kuo Chien】Supplementary Announcement regarding the Board's resolution to convene the 2026 Annual General Meeting of Shareholders (Re-uploaded due to electronic voting automatic transfer format requirements)

1. Board meeting resolution date: 2026/04/27 2. Shareholder meeting date: 2026/06/12 3. Shareholder meeting location: 2F, No. 6, Section 3, Minsheng East Road, Zhongshan District, Taipei City, Courtyard by Marriott Taipei Downtown, Lily Hall 4. Shareholder meeting method (physical/video-assisted/video): Physical shareholder meeting 5. Agenda item one: Reporting matters (1): 2025 annual business report (2): Audit committee review report (3): 2025 report on distribution of employee and director remuneration 6. Agenda item two: Approval matters (1): 2025 annual business report and financial statements approval (2): 2025 earnings distribution approval 7. Agenda item three: Discussion and election matters (1): Discussion on amendment to the company's "Procedures for Loaning Funds and Endorsements/Guarantees" (2): Election of the 21st term directors of the company (3): Discussion on lifting the non-compete restriction for the 21st term directors of the company 8. Ad hoc motions: 9. Share transfer suspension start date: 2026/04/14 10. Share transfer suspension end date: 2026/06/12 11. Other matters to be stated: (1) Shareholders can exercise voting rights electronically for this general meeting, from May 13, 2026 to June 9, 2026. Please log in directly to Taiwan Depository & Clearing Corporation's "Shareholder E-Service" website and vote according to the relevant instructions. [URL: https://stockservices.tdcc.com.tw]