Nuvoton Technology Holdings Japan, Key Subsidiary of Nuvoton Technology Corporation, Announces Important Shareholders' Meeting Resolutions

Disclosure Date: June 27, 2026 Statement Date: June 26, 2026 Statement Time: 17:48:37 Company Code: 4919 Company Name: Nuvoton Technology Corporation

Subject: Announcement on Important Resolutions of the Annual Shareholders' Meeting by Nuvoton Technology Holdings Japan, a significant subsidiary.

Applicable Clause: Clause 18 Event Date: June 26, 2026

Details: 1. Date of Annual Shareholders' Meeting: June 26, 2026 2. Important Resolution Item 1 – Profit Distribution or Loss Carryforward: None 3. Important Resolution Item 2 – Amendments to Articles of Incorporation: None 4. Important Resolution Item 3 – Business Report and Financial Statements: Approved the business report and financial report for the sixth fiscal period (FY25). 5. Important Resolution Item 4 – Election of Directors and Supervisors: Elected directors as follows: Directors: Yih-Jye Jou (Representative Director), Yuan-Mao Su, Hsiu-Fen Lai 6. Important Resolution Item 5 – Other Matters: None 7. Other Matters to be Disclosed: None