[Yihang] Announcement of Company's Acquisition of Securities

1. Securities Name: San Martin International Holdings Co., Ltd. (Hong Kong Stock Code: 0482) 2. Transaction Date: 115/4/20 ~ 115/4/20 3. Board Approval Date: April 20, 115 4. Other Approval Dates: Not applicable 5. Transaction Quantity, Price per Unit, and Total Transaction Amount: Transaction Quantity: Not exceeding 47,386,929 shares Price per Unit: HKD 0.75 / share Total Transaction Amount: Not exceeding HKD 35,540,197 (TWD 145,040,000) 6. Profit (or Loss) from Disposal (Not applicable for acquisition of securities): Not applicable 7. Relationship with the Transaction Target Company: Affiliated company 8. Cumulative quantity, amount, shareholding ratio, and restrictions (e.g., pledges) of the company's securities held to date (including this transaction): Cumulative Quantity: 94,773,857 shares Cumulative Amount: Approximately TWD 403,515,000 Cumulative Shareholding Ratio: 38.52% Restrictions: None 9. To date, according to Article 3 of the "Regulations Governing Public Issuance Company Acquisitions or Disposals of Assets", the ratio of investments in securities (including this transaction) to the company's total assets and equity attributable to owners of the parent company in the most recent financial statements, and the operating capital in the most recent financial statements: Ratio to Total Assets: 3.83% Ratio to Parent Company Equity: 5.48% Recent Operating Capital: -2,471,965,000 TWD 10. Specific purpose of acquisition or disposal: To improve the financial structure of the target company 11. Opinion of dissenting directors on this transaction: None 12. Is this transaction a related party transaction? Yes 13. Transaction counterparty and its relationship with the company: An equity method investee company in which the company holds a 38.52% stake. 14. Date of approval by supervisor or audit committee: 1. April 20, 115 15. Date of previous announcement of material information on the same event: July 4, 112 16. Other descriptions: San Martin Company, to adjust its capital structure and replenish operating capital, completed a capital restructuring on March 25, 2026 (every 10 shares merged into 1 share). After restructuring, the total issued shares are 123,040,372 shares. The company holds 47,386,929 shares, representing a 38.52% shareholding ratio. Funding source: own funds.