Taiwan Business Bank Announces March 2026 Consolidated Self-Calculated Earnings

1. Date of Fact Occurrence: 115/04/09 2. Company Name: Taiwan Business Bank 3. Relationship with Company (Enter Parent Company or Subsidiary): Parent Company 4. Proportion of Mutual Shareholding: None 5. Reason for Occurrence: Announcement of the company's consolidated self-calculated earnings for March of ROC year 115. 6. Response Measures: None 7. Other Matters to be Noted (If the subject of the event or resolution is a publicly offered company or above, this major information also meets the requirements of Article 7, Paragraph 9 of the Securities Transaction Act Enforcement Rules regarding matters that have a significant impact on shareholder equity or security prices): Consolidated pre-tax profit for March of ROC year 115: NT$1.375 billion Consolidated after-tax profit for March: NT$1.113 billion Cumulative consolidated pre-tax profit: NT$4.321 billion Cumulative consolidated after-tax profit: NT$3.435 billion Cumulative consolidated earnings per share before tax: NT$0.44 Cumulative consolidated earnings per share after tax: NT$0.35 Consolidated net worth per share: NT$15.34 All the above figures are self-calculated amounts by the company.