AUO SINGAPORE PTE. LTD., Key Subsidiary of AUO, Announces Board Resolution to Convene Annual Shareholders' Meeting

Release Date: June 24, 2026 Statement Date: June 24, 2026 Statement Time: 16:31 Company Code: 2409 Company Name: AUO Corporation Subject: Announcement of Board Resolution by Key Subsidiary AUO SINGAPORE PTE. LTD. to Convene Annual Shareholders' Meeting Applicable Clause: Clause 17 Event Date: June 24, 2026

1. Board Resolution Date: June 24, 2026 2. Shareholders' Meeting Date: June 24, 2026 3. Meeting Venue: AUO Corporation (No. 1, Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu City, Taiwan) 4. Agenda Item 1 - Reporting Matters: None 5. Agenda Item 2 - Approval Matters: (1) Approval of the 2025 Financial Statements 6. Agenda Item 3 - Discussion Matters: (1) Appointment of Auditors 7. Agenda Item 4 - Election Matters: (1) Election of Directors 8. Agenda Item 5 - Other Proposals: None 9. Agenda Item 6 - Adjourned Motions: None 10. Share Transfer Suspension Start Date: Not Applicable 11. Share Transfer Suspension End Date: Not Applicable 12. Other Disclosures: None