1.Type of personnel changed (please enter: spokesperson, acting spokesperson, important personnel (CEO, COO, CMO, CSO, etc.) ,financial officer, accounting officer, corporate governance officer, research and development officer, chief internal auditor, or designated and non-designated representatives): chief internal auditor (Division Head of Internal Auditing Division)

2.Date of occurrence of the change:2022/03/29

3.Name, title, and resume of the previous position holder: Nell-H. Tseng (SVP & Division Head of Internal Auditing Division)

4.Name, title, and resume of the new position holder: Shu-Ming Lin (VP & Deputy Division Head of Internal Auditing Division)

5.Type of the change (please enter: ”resignation”, ”position adjustment”, ”dismissal”, ”retirement”, ”death” or ”new replacement”):retirement

6.Reason for the change:retirement

7.Effective date:2022/04/01

8.Any other matters that need to be specified:Approved by the Board of Directors of Chang Hwa Commercial Bank, Ltd. in the 24nd Meeting of the 26th Board of Directors.