Yuanta Securities Announces Acquisition of the Third Secured Subordinated Ordinary Corporate Bond Issued by Yuanta Futures in 2026

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Yuanta Futures Co., Ltd. 2026 Third Secured Subordinated Ordinary Corporate Bond

2. Date on which the fact occurred: August 19, 2026 ~ August 19, 2026

3. Board approval date: June 25, 2026

4. Other approval dates: Not applicable

5. Number of trading units, unit price, and total transaction amount: Transaction quantity: 1,950 units Unit price: NT$1,000,000 per unit (face value) Total transaction amount: NT$1.95 billion

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: Yuanta Futures Co., Ltd. Relationship with company: Related party

7. If the counterparty is a related party, state the reason for selecting the related party as the transaction counterparty, the previous transferee, the relationship among the previous transferee, the company, and the counterparty, the previous transfer date, and the transfer amount: Reason for selecting related party: Long-standing client of the company Previous transfer information: Not applicable

8. If the ownership of the subject matter was held by a related party of the company within the past five years, disclose the date, price, and relationship with the company at the time of acquisition and disposal by the related party: Not applicable

9. Matters related to the disposal of receivables (including types of collateral attached to the disposed receivables; if the disposed receivables include receivables from related parties, disclose the name of the related party and the book value of the receivables disposed): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities; if deferred, provide a table showing recognition status): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Delivery or payment terms: Full payment in cash Contractual restrictions and other important agreements: None

12. Method of determining the transaction, reference basis for price determination, and decision-making unit: Transaction determination method: Negotiation Price determination reference: Based on negotiation results Decision-making unit: Approved according to Yuanta Securities' authorization authority

13. Net asset value per share of the securities-issuing company acquired or disposed: Not applicable

14. Cumulative holdings (including this transaction) of the securities involved, as of now, in terms of quantity, amount, ownership percentage, and any restrictions on rights (e.g., pledge status): Quantity: 1,950 units Amount: NT$1.95 billion Ownership percentage: Not applicable Rights restriction status: None

15. Cumulative investment in securities under Article 3 of the "Regulations Governing the Acquisition or Disposition of Assets by Publicly Issued Companies" (including this transaction), as a percentage of total assets and equity attributable to owners of the parent in the company's latest financial statements, and the amount of working capital in the latest financial statements: 1. Percentage of total assets: 26.55% 2. Percentage of shareholders' equity: 157.71% 3. Working capital: NT$110,442,192,032

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal of securities: Execution of general business operations

18. Dissenting opinions from directors regarding this transaction: Not applicable

19. Whether this transaction is a related-party transaction: Yes

20. Date of auditor's approval or audit committee's consent: June 16, 2026

21. Whether the accountant issued a non-reasonable opinion: Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant's license number: Not applicable

25. Whether it involves a change in business model: No

26. Explanation of business model change: Not applicable

27. Transaction status with the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Operating funds

29. Previous date of material information disclosure regarding the same event: Not applicable

30. Other explanatory matters: None