3617 SoTech Announces Establishment of First Sustainability Committee

Release Date: August 14, 2026 Statement Date: August 13, 2026 Statement Time: 15:40:35 Company Code: 3617 Company Name: SoTech Subject: Announcement of Board Resolution to Establish a Sustainability Committee and Appoint Members of the First Committee Applicable Clause: Item 6 Factual Date: August 13, 2026 Details: 1. Date of Change: August 13, 2026 2. Name of Functional Committee: Sustainability Committee 3. Former Member Name: Not applicable 4. Former Member Biography: Not applicable 5. New Member Names: Ho Lien-hsun, Chen Shu-han, Wang Chin-yan, Ouyang Meng, Lin Jung-lo 6. New Member Biographies: - Ho Lien-hsun: Chairman of the Company - Chen Shu-han: Independent Director of the Company - Wang Chin-yan: Independent Director of the Company - Ouyang Meng: Independent Director of the Company - Lin Jung-lo: Independent Director of the Company 7. Nature of Change (select from 'resignation', 'dismissal', 'end of term', 'death', or 'new appointment'): New Appointment 8. Reason for Change: Board resolution to establish the first Sustainability Committee 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): Not applicable 10. Effective Date of New Appointment: August 13, 2026 11. Other Matters to be Clarified: None.