2897 O-Bank

Announcement Date: July 31, 2027 Statement Date: July 30, 2027 Statement Time: 17:07:07 Company Code: 2897 Company Name: O-Bank Purpose: Announcement of the '2026 Second Quarter Online Corporate Briefing' Applicable Clause: Clause 12 Factual Date: August 27, 2027 Details: Complies with Clause 4, Item XX: 12 Factual Date: 8/27/115 1. Date of Corporate Briefing: 8/27/115 2. Time of Corporate Briefing: 2:30 PM 3. Location of Corporate Briefing: Online briefing 4. Summary of Briefing: Disclosure of O-Bank's Q2 2026 operational overview 5. Additional Notes: Live audio streaming URL for the online briefing: https://www.zucast.com/webcast/iboyV57p For complete financial and business information, please visit the corporate briefing schedule or the briefing section on the Public Information Observation Station.