【Diamond Investment】Announcement of Changes in Spokesperson, Corporate Governance Officer, Financial Officer, and Accounting Officer

1. Positions Affected (please specify: spokesperson, acting spokesperson, key operational executives such as CEO, COO, CMO, CSO, financial officer, accounting officer, corporate governance officer, CISO, R&D head, internal audit head, litigation or non-litigation representative): Spokesperson, Corporate Governance Officer, Financial Officer, and Accounting Officer.

2. Date of Change: July 3, 115.

3. Former Incumbents' Names, Titles, and Resumes: (1) Spokesperson: Wu You-Mei, General Manager and Corporate Governance Officer of the Company. (2) Corporate Governance Officer: Wu You-Mei, General Manager and Corporate Governance Officer of the Company. (3) Financial Officer: Wang Li-Lun, Financial Officer and Accounting Officer of the Company. (4) Accounting Officer: Wang Li-Lun, Financial Officer and Accounting Officer of the Company.

4. New Appointees' Names, Titles, and Resumes: (1) Spokesperson: Kuo Yueh-Lin, Audit Manager at United Bioscience Co., Ltd. (2) Corporate Governance Officer: Kuo Yueh-Lin, Audit Manager at United Bioscience Co., Ltd. (3) Financial Officer: Kuo Yueh-Lin, Audit Manager at United Bioscience Co., Ltd. (4) Accounting Officer: Kuo Yueh-Lin, Audit Manager at United Bioscience Co., Ltd.

5. Nature of Change (please select from 'resignation', 'job reassignment', 'layoff', 'retirement', 'death', 'new appointment', or 'dismissal'): Job Reassignment.

6. Reason for Change: Job Reassignment.

7. Effective Date: July 6, 115.

8. Other Matters to be Disclosed: None.