6573 Hong Yang-KY Announces Full Board Election Results for Directors and Independent Directors

Date of Announcement: June 23, 2026 Date of Statement: June 22, 2026 Time of Statement: 18:29:20 Company Code: 6573 Company Name: Hong Yang-KY Subject: Announcement of Elected Directors (Including Independent Directors) Following Full Board Election Applicable Clause: Clause 6 Factual Date: June 22, 2026

1. Date of Change: 06/22/2026 2. Category of Appointed or Changed Personnel (Legal Person Director, Legal Person Supervisor, Independent Director, Natural Person Director, or Natural Person Supervisor): Independent Directors and Natural Person Directors 3. Former Titles and Names: (1) Director: Kao Kuei-Chen (2) Director: Fang Hsin-Yi (3) Director: Fang Wen-Te (4) Independent Director: Tseng Kuang-Hua (5) Independent Director: Chien Chia-Ying (6) Independent Director: Chin Jui-Ting (7) Independent Director: Huang Chen-Yuan 4. Former Resumes: Former Directors: (1) Kao Kuei-Chen: Chairman, Hong Yang Development Technology Co., Ltd. (2) Fang Hsin-Yi: General Manager and CEO, Hong Yang Development Technology Co., Ltd. (3) Fang Wen-Te: Chairman, Rui Sheng International Co., Ltd. Former Independent Directors: (1) Tseng Kuang-Hua: Professor, Department of Business Administration and Institute of Marketing Management, National Chung Cheng University (2) Chien Chia-Ying: Partner Attorney, Sung Cheng Law Firm (3) Chin Jui-Ting (4) Huang Chen-Yuan: Chief Financial Officer, China Times Culture Publishing Enterprise Co., Ltd. 5. New Titles and Names: (1) Director: Kao Kuei-Chen (2) Director: Fang Hsin-Yi (3) Director: Fang Wen-Te (4) Director: Yu Pei-Shun (5) Director: Lee Yung-Chih (6) Independent Director: Tseng Kuang-Hua (7) Independent Director: Chien Chia-Ying (8) Independent Director: Chin Jui-Ting (9) Independent Director: Huang Chen-Yuan 6. New Resumes: New Directors: (1) Kao Kuei-Chen: Chairman, Hong Yang Development Technology Co., Ltd. (2) Fang Hsin-Yi: General Manager and CEO, Hong Yang Development Technology Co., Ltd. (3) Fang Wen-Te: Chairman, Rui Sheng International Co., Ltd. (4) Yu Pei-Shun: Senior Manager, Information Division, Hong Yang Development Technology Co., Ltd. (5) Lee Yung-Chih: Special Assistant, Yangzhou Hong Yang Technology Development Co., Ltd. New Independent Directors: (1) Tseng Kuang-Hua: Professor, Department of Business Administration and Institute of Marketing Management, National Chung Cheng University (2) Chien Chia-Ying: Partner Attorney, Sung Cheng Law Firm (3) Chin Jui-Ting (4) Huang Chen-Yuan: Chief Financial Officer, China Times Culture Publishing Enterprise Co., Ltd. 7. Nature of Change ('Resignation', 'Dismissal', 'Term Expiration', 'Death', or 'New Appointment'): Term Expiration 8. Reason for Change: Full board re-election due to term expiration 9. Shareholding at Time of Appointment: New Directors: (1) Kao Kuei-Chen: 1,206,559 shares (2) Fang Hsin-Yi: 127,383 shares (3) Fang Wen-Te: 45,000 shares (4) Yu Pei-Shun: 333,000 shares (5) Lee Yung-Chih: 0 shares New Independent Directors: (1) Tseng Kuang-Hua: 0 shares (2) Chien Chia-Ying: 0 shares (3) Chin Jui-Ting: 0 shares (4) Huang Chen-Yuan: 0 shares 10. Previous Term (e.g., xx/xx/xx ~ xx/xx/xx): 06/21/2023 ~ 06/20/2026 11. Effective Date of New Appointments: 06/22/2026 ~ 06/21/2029 12. Director Turnover Rate During Same Term: Not applicable due to full re-election 13. Independent Director Turnover Rate During Same Term: Not applicable due to full re-election 14. Supervisor Turnover Rate During Same Term: Not applicable due to full re-election 15. Is the change affecting one-third or more of the directors? (Yes or No): No 16. Other Matters to Note (If the subject is a publicly issued company, this announcement also qualifies as a significant matter under Article 7, Clause 6 of the Enforcement Rules of the Securities and Exchange Act affecting shareholder rights or securities prices): None