Subsidiary CTBC Bank Announces Proposed Acquisition of Real Estate in Kaohsiung

Release Date: June 25, 2026 Statement Date: June 24, 2026 Statement Time: 15:58:25 Company Code: 2891 Company Name: CTBC Financial Holding Co., Ltd. Subject: Announcement on behalf of subsidiary CTBC Bank Co., Ltd. Board resolution to propose acquisition of real estate in Kaohsiung City Applicable Clause: Item 51 Event Date: June 24, 2026

Details: 1. Event Date: June 24, 2026 2. Company Name: CTBC Bank Co., Ltd. 3. Relationship with Company (enter '本公司' or 'Subsidiary'): Subsidiary 4. Cross-shareholding Ratio: Subsidiary fully owned (100%) by the company 5. Reason for Occurrence: The board of directors of CTBC Bank Co., Ltd. has resolved to propose the acquisition of real estate in Kaohsiung City. 6. Response Measures: None 7. Other Matters to be Disclosed (If the entity involved in the event or resolution is a publicly issued company or above, this material information also meets the criteria under Article 7, Paragraph 9, Item 9 of the Enforcement Rules of the Securities and Exchange Act, concerning matters that significantly affect shareholders' rights or securities prices): Relevant information will be announced again within two days from the date the transaction fact occurs.