【Wus Printed Circuits】Announcement on behalf of important subsidiary Lincstech Co., Ltd. regarding changes in directors

1. Date of change: 2026/04/28 2. Type of appointed or changed personnel (please fill in corporate director, corporate supervisor, independent director, natural person director or natural person supervisor): Natural person director 3. Title and name of former personnel: Director Yang Chi-Yun / Director Akira Asaoka 4. Brief resume of former personnel: Director of Lincstech Co., Ltd. 5. Title and name of new personnel: Director Shigera Matsumura / Director Takehisa Sakurai 6. Brief resume of new personnel: Head of Business Operations / General Manager, Business Development Division 7. Status of change (please fill in "resignation", "dismissal", "expiration of term", "demise" or "new appointment"): New appointment 8. Reason for change: New appointment 9. Number of shares held by newly appointed personnel at the time of appointment: 0 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): Not applicable 11. Effective date of new appointment: 2026/04/28 12. Proportion of changes in directors for the same term: 1/3 13. Proportion of changes in independent directors for the same term: Not applicable 14. Proportion of changes in supervisors for the same term: Not applicable 15. Whether more than one-third of directors have changed (please fill in yes or no): Yes 16. Other matters to be specified (If the subject of the event or resolution is a public company or above, this important information also complies with the matters specified in Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act that have a significant impact on shareholders' equity or securities prices): None