【Bank of Kaohsiung】Announcement of the Company's Unaudited Earnings for April 2026

1. Date of occurrence of the event: 2026/05/08 2. Company name: Bank of Kaohsiung Co., Ltd. 3. Relationship with the company (please enter 'our company' or 'subsidiary'): Our company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Announcement of the company's unaudited earnings for April 2026

Unit: NTD in thousands This Month Cumulative =================================================== Pre-tax profit 140,243 607,325 After-tax profit 111,603 482,177 Pre-tax EPS (NTD) 0.33 After-tax EPS (NTD) 0.26 =================================================== (Note) The above figures are self-calculated amounts by our company. 6. Countermeasures: None 7. Other matters to be specified (If the subject of the event or resolution is a public company or above, this material information also meets the matters that have a significant impact on shareholder equity or security prices as stipulated in Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act): None