Mosel Vitelic (2342) Resolves Appointment of Nomination Committee Members

Announcement Date: May 21, 2026 Statement Date: May 20, 2026 Company Code: 2342 Company Name: Mosel Vitelic Subject: Announcement of the Board of Directors' resolution on the appointment of members of the third Nomination Committee Date of event: May 20, 2026

1. Date of change: May 20, 2026 2. Committee name: Nomination Committee 3. Former members: Hsieh Shao-wen, Lin Ching-hsiang, Liu Chen-tu, Lan Chung-wen, Tang Yi-hsien 4. New members: Lin Ching-hsiang, Lan Chung-wen, Lu Chao-hsiang, Wu Hsien-chung

The reason for the change is the expiration of the term. The new appointments are effective from May 20, 2026.