1712 Sinon Corp: Announcement of Board of Directors Election

Announcement Date: May 27, 2026. Company Code: 1712. Company Name: Sinon Corp. Subject: Announcement of the list of elected directors at the 2026 annual shareholders' meeting. Fact occurrence date: May 26, 2026. Explanation: 1. Change date: May 26, 2026. 2. Position type: Corporate director, independent director, natural person director. 3. Former directors: Yan Zi-fang, Jiawen Investment (Liao Nian-heng), Hong Bo-yan, Hongshun Investment (Guo Zi-kuan), Yunsong Investment (Liu Yun-song), Yang Ren-you, and independent directors Huang Sheng-yi, Chen Jun-man, Huang Jin-lin. 4. New directors: Yunsong Investment (Zhang Yao-ren), Hong Bo-yan, Jiawen Investment (Liao Nian-heng), Yunsong Investment (Huang Bo-xin), Yunsong Investment (Lin Shi-jie), Yang Ren-you, and independent directors Su Ren-wei, Yang Min-li, Lin Jin-xian. 5. Backgrounds: New directors include university professors, certified public accountants, and business executives. 6. Reason for change: Full re-election due to expiration of term. 7. Effective date: May 26, 2026.