O-Bank Announces Unaudited Financial Results and Net Asset Value per Share for July 2026

1. Date of Event: August 10, 2026 2. Company Name: O-Bank Co., Ltd. 3. Relationship with Company (please enter本公司or Subsidiary):本公司 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: As stated in the subject 6. Response Measures: Not applicable 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 simultaneously meets the criteria under Article 7, Paragraph 9, Item 9 of the Enforcement Rules of the Securities and Exchange Act, regarding matters having significant impact on shareholders' equity or securities prices):

Unit: NT$1,000

July YTD Jan-Jul --------------------------------------------------------------- Consolidated Pre-tax Income 520,182 3,757,295 Consolidated After-tax Income 446,476 3,115,802 Individual Pre-tax Income 312,639 2,114,392 Individual After-tax Income 293,324 1,919,198 Basic EPS (After-tax) (NT$) 0.64

Net asset value per share as of end-July 2026: NT$14.74