[ASE Technology] Announcement of Resolutions by the Board of Directors (Acting as Shareholders' Meeting) of Subsidiary USI

1. Date Equivalent to Shareholders' Meeting: 2026/06/17 2. Important Resolution 1, Profit Distribution or Loss Offset: Approved 2025 earnings distribution proposal 3. Important Resolution 2, Articles of Incorporation Amendment: Approved amendment to the Articles of Incorporation 4. Important Resolution 3, Business Report and Financial Statements: Approved 2025 business report and financial statements 5. Important Resolution 4, Election of Directors/Supervisors: None 6. Important Resolution 5, Other Matters: Approved proposal for new share issuance via capitalization of earnings 7. Other Important Matters: None