Daito Denki Announces Collection Agent and Escrow Bank for First Domestic Unsecured Convertible Corporate Bonds

1. Date of Event: June 29, 2026 (Minguo Year 115) 2. Company Name: Daito Denki Co., Ltd. 3. Relationship with Company (please enter 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Announcement: In accordance with Article 9, Paragraph 1, Clause 2 of the 'Regulations on the Handling of Securities Offering and Issuance by Issuers' 6. Response Measures: None 7. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly listed company or above, this significant information also qualifies under Article 7, Clause 9 of the Enforcement Rules of the Securities and Exchange Act as a matter having significant impact on shareholders' rights or securities prices): (1) Contract Execution Date: June 29, 2026 (Minguo Year 115) (2) Bank Collecting Subscription Payments: Cathay United Bank Co., Ltd., Dunhua Branch (3) Bank Holding Escrow Account: E.SUN Commercial Bank, Ltd., Yangmei Branch