ELAN Microelectronics (2458) Corrects Typo in Shareholder Meeting Agenda

Reporting Date: May 21, 2026 (1150521) Reporting Time: 15:25:52 Company Code: 2458 Company Name: ELAN Subject: Notice of correction to part of the company's 115th-year shareholder meeting agenda. Clause: No. 51 Fact Occurrence Date: May 20, 2026 (1150520)

Explanation: 1. Fact Occurrence Date: May 20, 2026 2. Company Name: ELAN Microelectronics Corp. 3. Relationship with the company: The Company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Correction of typo in the company's 115th-year shareholder meeting agenda. 6. Corrected information item/report name: Report Name: 115th-year shareholder meeting agenda 7. Content/page before correction: Chinese version: Page 6 English version: Page 6 8. Content/page after correction: Chinese version: Page 6 English version: Page 6 9. Corresponding measures: Re-upload the corrected shareholder meeting agenda to the Market Observation Post System. 10. Other notes: None