Nanya Technology Announces Summary of Today's Corporate Briefing

1. Date of Event: July 10, 2026 2. Company Name: Nanya Technology Co., Ltd. 3. Relationship with Company (please enter '本公司' or 'Subsidiary'):本公司 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Corporate briefing by the company 6. Countermeasures: Not applicable 7. Other Matters to be Disclosed (if the subject of the event or resolution is a publicly issued company or above, this significant information simultaneously qualifies as a matter under Article 7, Paragraph 9, Clause 9 of the Enforcement Rules of the Securities and Exchange Act that has a significant impact on shareholders' rights or securities prices): Nanya Technology announced its consolidated financial information for the second quarter of 2026, with operating revenue of NT$82.549 billion, operating net profit of NT$60.826 billion, pre-tax net profit of NT$62.329 billion, and net income for the period of NT$50.192 billion.