Hsin Yun Announces Full Receipt of Proceeds from Third Domestic Unsecured Convertible Corporate Bonds

1. Date of Event: July 29, 2026 (ROC Year 115) 2. Company Name: Hsin Yun Enterprise Co., Ltd. 3. Relationship with Company: Parent Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: In accordance with Article 9, Paragraph 1, Clause 2 of the 'Regulations Governing the Offering and Issuance of Securities by Issuers'. The designated collection bank has fully received all subscription proceeds for the company's third domestic unsecured convertible corporate bond issuance as of the announcement date, and the total amount of NT$535,000,000 has been transferred and deposited into the designated escrow account. This is hereby officially announced. 6. Countermeasures: None 7. Other Matters to be Disclosed: None (Note: This information qualifies as material information under Article 7, Clause 9 of the Enforcement Rules of the Securities and Exchange Act, as it pertains to a publicly listed company and may significantly affect shareholder rights or securities prices.)