[Dinggu-KY] Announcement by subsidiary Dinggu Real Estate Co., Ltd. on cumulative acquisition of securities exceeding NT$300 million.

1. Securities name: Meta Platforms, Inc. (US stock code META) 2. Transaction date: 2024/9/12~2026/4/14 3. Date of approval by the Board of Directors: Not applicable 4. Other approval dates: Approval level: Chairman's approval April 14, 2026 5. Transaction quantity, unit price, and total transaction amount: Transaction quantity: 17,231 shares; Average unit price: US$549.93; Total transaction amount: US$9,475,848.31 (approximately NT$300,454,361) 6. Disposal profit (or loss) (not applicable for acquisition of securities): Not applicable 7. Relationship with the transacting company: None 8. As of now, the cumulative quantity, amount, shareholding ratio, and restricted rights (e.g., pledge status) of this security (including this transaction): Transaction quantity: 14,231 shares; Total transaction amount: US$8,057,105.40 (approximately NT$254,590,307); Shareholding ratio: 0.00056%; Restricted rights: None 9. As of now, the proportion of investment in securities (including this transaction) listed in Article 3 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies" to the company's most recent financial report's total assets and equity attributable to owners of the parent, and the amount of working capital in the most recent financial report: Total assets ratio: 0.22%; Equity attributable to owners of the parent ratio: 0.58%; Working capital: NT$27,925,012 thousand 10. Specific purpose of acquisition or disposal: Capital utilization 11. Opinions of dissenting directors on this transaction: None 12. This transaction is a related party transaction: No 13. Counterparty and its relationship with the company: None 14. Date of approval by supervisors or audit committee: Not applicable 15. Date of previous material information announcement on the same event: Not applicable 16. Other matters to be specified: None