Zhi Xin Announces Cumulative Disposal Amount of Same Marketable Securities Within One Year

1. Securities name: Quanta Computer Inc. 2. Transaction dates: 2025/05/14~2026/05/13 3. Date of board of directors' approval: Not applicable 4. Other approval dates: Approval level: Chairman May 13, 2026 5. Transaction quantity, price per unit, and total transaction amount: Transaction quantity: 1,050,000 shares Price per unit: NTD 288.20 Total transaction amount: NTD 302,609,539 6. Disposal profit (or loss) (not applicable to acquisition of marketable securities): Disposal profit: NTD 8,261,437 7. Relationship with the transaction target company: None 8. As of now, the cumulative holding quantity, amount, shareholding ratio, and restricted rights (e.g., pledge status) of these transaction securities (including this transaction): Quantity: 0 shares Amount: NTD 0 Shareholding ratio: 0.00% Restricted rights: None 9. As of now, the ratio of marketable securities investments (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 latest financial report, and the amount of working capital in the latest financial report: Ratio to total assets: 45.15% Ratio to equity attributable to owners of the parent company: 52.80% Working capital amount: 2,264,183 thousand NTD 10. Specific purpose of acquisition or disposal: Short-term capital deployment 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 supervisor's approval or audit committee's consent: Not applicable 15. Date of previous material information announcement regarding the same event: Not applicable 16. Other matters to be specified: None