[Taichung Bank] Announcement of the Company's and Subsidiaries' April 2026 Financial and Business Data.

1. Date of occurrence of the event: 2026/05/07 2. Company name: Taichung Commercial Bank Co., Ltd. 3. Relationship with the company (please enter 'this company' or 'subsidiary'): This company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: As per the subject

(Unit: NTD thousands) Item | Current Month's Earnings | Accumulated Year-to-Date ---- | ------------------------ | ------------------------ Consolidated Pre-tax Profit | 1,287,372 | 4,184,649 Consolidated After-tax Profit | 1,056,468 | 3,482,338 Earnings per share (pre-tax) | 0.21 NTD | 0.69 NTD Earnings per share (after-tax) | 0.18 NTD | 0.58 NTD

6. Countermeasures: None 7. Other matters that should be stated (if the entity of the event occurrence or resolution is a public offering company or above, this significant announcement also complies with Article 7, Item 9 of the Enforcement Rules of the Securities Exchange Act regarding matters that have a material impact on shareholders' equity or securities prices): None.