[Hua Hsin] Announcement of Board Resolution on Cash Capital Increase for Subsidiary Concord Industries Limited

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Equity of Concord Industries Limited

2. Date on which the fact occurred: 115/8/7 ~ 115/8/7

3. Date of board approval: August 7, 2026 (ROC Year 115)

4. Other approval dates: Not applicable

5. Transaction quantity, unit price, and total transaction amount: (1) Number of units: 15,000,000 shares (2) Unit price: USD 1 per share (3) Total transaction amount: USD 15,000 thousand

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): (1) Counterparty: Concord Industries Limited (2) Relationship with the company: Concord Industries Limited is a direct 100%-owned subsidiary of the company

7. If the counterparty is a related party, disclose the reason for selecting them, previous transferor, relationships among previous transferor, company, and counterparty, transfer date, and amount: Not applicable (cash capital increase)

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

9. Matters concerning the disposition of receivables (including types of collateral attached to disposed receivables; if receivables from related parties, disclose names and book value of disposed receivables): Not applicable

10. Gain (or loss) from disposition (not applicable for acquisition of securities) (if deferred, explain recognition status in table form): Not applicable

11. Delivery or payment terms (payment periods and amounts), contractual restrictions, and other important agreements: (1) Delivery or payment terms: Payment to be made upon approval by the Investment Commission, Ministry of Economic Affairs (2) Contractual restrictions and other important agreements: None

12. Method of transaction decision, basis for price determination, and decision-making body: (1) Transaction decision method and pricing reference: Cash capital increase (2) Decision-making body: Board of Directors

13. Net asset value per share of the securities-issuing company: NT$5.23

14. Cumulative holdings of these securities (including this transaction) to date—quantity, amount, ownership percentage, and restricted rights (e.g., pledge status): (1) Quantity: 381,498,375 shares (2) Amount: NT$1,198,892 thousand (3) Ownership percentage: 100% (4) Rights restriction status: None

15. Proportion of securities investments listed under Article 3 of the 'Regulations Governing Acquisitions and Dispositions of Assets by Publicly Issued Companies' (including this transaction) relative to total assets and equity attributable to owners of parent in the company’s latest financial statements, and operating capital amount in the latest financial statements (Note 2): (1) Percentage of total assets: 93.86% (2) Percentage of shareholders’ equity: 125.91% (3) Operating capital amount: NT$1,858,227 thousand

16. Broker and brokerage fees: None

17. Specific purpose or use of acquiring or disposing of securities: Capital expenditures

18. Dissenting director opinions regarding this transaction: None

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

20. Date of supervisor acknowledgment or audit committee approval: July 31, 2026 (ROC Year 115)

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

22. Name of accounting firm: Not applicable

23. Accountant’s name: Not applicable

24. Accountant’s license number: Not applicable

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

26. Explanation of business model change: Not applicable

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

28. Source of funds: Not applicable

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

30. Other explanatory matters: This announcement concerns an additional capital increase. The capital increase previously announced on May 8, 2026, remains ongoing and has not been altered or replaced by this resolution.