2028 Wistron

Release Date: June 19, 2028 Statement Date: June 18, 2028 Statement Time: 15:04:14 Company Code: 2028 Company Name: Wistron Subject: Announcement of Full Board Renewal (Including Independent Directors) at the 2028 Annual General Meeting Applicable Clause: Item 6 Event Date: June 18, 2028

Details: 1. Date of Change: 06/18/2028 2. Category of Appointed or Changed Personnel (please specify: corporate director, corporate supervisor, independent director, individual director, or individual supervisor): Corporate Director, Independent Director, Individual Director 3. Former Personnel Titles and Names: (1) Director: Enhuei Investment Co., Ltd., Representative: Kuo Su-Hui (2) Director: Kuo Shih-Hsien (3) Director: Enhuei Investment Co., Ltd., Representative: Kuo Ching-Wen (4) Independent Director: Liu Ji-Xiong (5) Independent Director: Hsia Hsu-Sheng (6) Independent Director: Ting Chia-Hui (7) Independent Director: Wang Yan-Jing 4. Former Personnel Resumes: (1) Kuo Su-Hui: Chairman/General Manager of the Company (2) Kuo Shih-Hsien: Director of the Company (3) Kuo Ching-Wen: Director of the Company (4) Liu Ji-Xiong: Independent Director of the Company (5) Hsia Hsu-Sheng: Independent Director of the Company (6) Ting Chia-Hui: Independent Director of the Company (7) Wang Yan-Jing: Independent Director of the Company 5. Newly Appointed Personnel Titles and Names: (1) Director: Enhuei Investment Co., Ltd., Representative: Kuo Su-Hui (2) Director: Kuo Shih-Hsien (3) Director: Enhuei Investment Co., Ltd., Representative: Kuo Ching-Wen (4) Independent Director: Ting Chia-Hui (5) Independent Director: Wang Yan-Jing (6) Independent Director: Lu Chen-Hsiu (7) Independent Director: Chen Ming-Han 6. Newly Appointed Personnel Resumes: (1) Kuo Su-Hui: Chairman/General Manager of the Company (2) Kuo Shih-Hsien: Director of the Company (3) Kuo Ching-Wen: Director of the Company (4) Ting Chia-Hui: Independent Director of the Company (5) Wang Yan-Jing: Independent Director of the Company (6) Lu Chen-Hsiu: Deputy Director-General of the Ministry of Finance Taxation Bureau, Director-General of the Ministry of Finance Southern Regional Bureau of National Taxes, Director-General of Tainan City Government Finance and Tax Bureau (7) Chen Ming-Han: Assistant Vice President of Business Department, China Steel Corporation; Chairman of China Steel Structure Co., Ltd.; Chairman of China Steel Sumec Vietnam Company; Chairman of Chung-Mao International Co., Ltd. 7. Nature of Change (please enter 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): End of Term 8. Reason for Change: Board renewal due to end of term 9. Shareholding of Newly Appointed Personnel at Time of Appointment: (1) Director: Enhuei Investment Co., Ltd., Representative: Kuo Su-Hui, 32,354,201 shares (2) Director: Kuo Shih-Hsien, 2,745,237 shares (3) Director: Enhuei Investment Co., Ltd., Representative: Kuo Ching-Wen, 32,354,201 shares (4) Independent Director: Ting Chia-Hui, 0 shares (5) Independent Director: Wang Yan-Jing, 0 shares (6) Independent Director: Lu Chen-Hsiu, 0 shares (7) Independent Director: Chen Ming-Han, 0 shares 10. Previous Term (e.g., 06/12/2025 ~ 06/11/2028): 06/12/2025 ~ 06/11/2028 11. Effective Date of New Appointment: 06/18/2028 12. Rate of Change Among Directors in the Same Term: Not applicable (full renewal due to end of term) 13. Rate of Change Among Independent Directors in the Same Term: Not applicable (full renewal due to end of term) 14. Rate of Change Among Supervisors in the Same Term: Not applicable 15. Change of One-Third or More of Directors (please enter yes or no): No 16. Other Matters to be Disclosed (if the subject is a publicly issued company or above, this major information also meets the provisions of Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or securities prices): None.