【Jishanquan】Announcement by Subsidiary Haohan Power Co., Ltd. Regarding Acquisition of Securities

1. Securities Name: You-Tian Common Stock 2. Transaction Date: 2026/4/9 ~ 2026/4/23 3. Date of Board of Directors' Approval: Not applicable 4. Other Approval Dates: Approval Level: Chairman, April 23, 2026 (ROC calendar 115) 5. Transaction Quantity, Unit Price, and Total Transaction Amount: Acquired Quantity (thousand shares): 850, Acquired Unit Price (NTD): 201.27, Total Acquired Amount (NTD): 171,078,000 6. Disposal Profit (or Loss) (Not applicable for acquisition of securities): Not applicable 7. Relationship with the Target Company: None 8. As of now, cumulative holdings of these securities (including this transaction): Quantity, Amount, Shareholding Ratio, and Restricted Rights (e.g., pledged status): Remaining holdings: 850,000 shares, Amount: NT$181,900,000, Shareholding Ratio: 1.42%, Restricted Rights: None 9. As of now, the ratio of investment in securities (including this transaction) listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Public Companies" to the total assets and equity attributable to owners of the parent company in the most recent financial report, and the amount of working capital in the most recent financial report: Ratio to total assets: 163.42%; Ratio to equity attributable to owners of the parent company: 166.17%; Working capital amount: NT$279,136 thousand 10. Specific Purpose of Acquisition or Disposal: Investment portfolio 11. Opinions of dissenting directors on this transaction: Not applicable 12. Is this transaction a related party transaction: No 13. Counterparty and its relationship with the company: Not applicable 14. Date of approval by supervisors or audit committee: Not applicable 15. Date of previous material information announcement for the same event: Not applicable 16. Other matters to be specified: None