Yong-Guan KY's 4th Unsecured Convertible Bond Trading Halted Due to Delayed Financial Reporting

Date of statement: 2026/05/19 Date of announcement: 2026/05/18 Time of announcement: 19:52:37 Company code: 1589 Company name: Yong-Guan KY Subject: Announcement that the company's 4th domestic unsecured convertible bond (Abbreviation: Yong-Guan IV KY, Code: 15894) has been notified by the GreTai Securities Market (GTSM) to be suspended from trading. Applicable clause: Article 51 Date of occurrence: 2026/05/18 Explanation: 1. Date of occurrence: 2026/05/18 2. Company name: Yong-Guan Energy Technology Group Co., Ltd. 3. Relationship with the company (please enter this company or subsidiary): This company 4. Mutual shareholding ratio: N/A 5. Reason for occurrence: (1) The company failed to announce and file its 2025 annual financial report and 2026 first-quarter financial report within the legally prescribed period. According to Article 50-3, Paragraph 1, Subparagraph 1 of the TWSE Operating Rules, trading will be suspended concurrently starting May 20, 2026. (2) According to Article 12-1, Paragraph 1, Subparagraphs 4 and 15 of the GTSM Business Rules, Yong-Guan IV KY will be continuously suspended from over-the-counter trading concurrently starting May 20, 2026. 6. Countermeasures: Actively select a successor CPA to promptly complete the audit of the 2025 annual financial report and 2026 first-quarter financial report, and to handle the filing and announcement. 7. Other matters to be specified (if the subject of the event or resolution is a public company or above, this material information also complies with the matters specified in Article 7, Subparagraph 9 of the Enforcement Rules of the Securities and Exchange Act that have a significant impact on shareholders' equity or securities prices): None.