【Chenming Electronic】The company's board of directors resolved to approve a cash capital increase for its Thai subsidiary Chenming Electronic Technology (Thailand) Co., Ltd.

1. Name and nature of the target (for preferred shares, the agreed terms of issuance, such as dividend rate, should also be specified): Cash capital increase for the Thai subsidiary Chenming Electronic Technology (Thailand) Co., Ltd. 2. Date of occurrence of the event: 2026/4/29~2026/4/29 3. Date of approval by the board of directors: April 29, 2026 4. Other approval dates: Not applicable 5. Quantity of transaction, unit price, and total transaction amount: USD 20 million, which can be executed in installments within the total limit (approximately NT$639,900,000; exchange rate 31.995) 6. Counterparty of the transaction and its relationship with the company (if the counterparty is a natural person and not a related party of the company, disclosure of their name may be exempted): The company's capital increase for its Thai subsidiary Chenming Electronic Technology (Thailand) Co., Ltd. 7. If the counterparty is a related party, the reason for selecting the related party as the transaction object, the previous owner, the relationship between the previous owner and the company and the counterparty, the previous transfer date, and the transfer amount should also be announced: Cash capital increase, not applicable 8. If the owner of the transaction target has been a related party of the company within the past five years, the acquisition and disposal dates, prices, and the relationship with the company at the time of the transaction should also be announced: Not applicable 9. Matters related to the disposal of claims (including the type of collateral attached to the disposed claims, if the disposed claims belong to related party claims, the name of the related party and the book value of the disposed related party claims should also be announced): Not applicable 10. Disposal profit (or loss) (not applicable for acquisition of securities) (for deferred items, the recognition status should be listed and explained): Not applicable 11. Delivery or payment terms (including payment period and amount), contract restriction clauses, and other important agreements: Handled according to the capital increase schedule 12. Decision method, reference basis for price determination, and decision-making unit for this transaction: Resolution of the board of directors; investment can be made in installments, and the chairman is authorized to handle it within the limit. 13. Net value per share of the target company for the acquisition or disposal of securities: Not applicable 14. As of now, the quantity, amount, shareholding ratio, and restricted rights (such as pledge status) of the securities held (including this transaction): Shareholding ratio: all 100%; restricted rights: none 15. As of now, the proportion of investment in securities listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Public Companies" (including this transaction) to the company's 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 (Note 2): Accounts for 7.38% of total assets; accounts for 12.30% of equity attributable to owners of the parent company; working capital NT$294,450 thousand 16. Broker and brokerage fees: Not applicable 17. Specific purpose or use of the acquisition or disposal: To meet the capital needs for the construction of the Thai plant and the purchase of machinery and equipment 18. Opinions of dissenting directors on this transaction: None 19. This transaction is a related party transaction: Yes 20. Date of approval by supervisors or audit committee: April 29, 2026 21. Accountant issued an unreasonable opinion on this transaction: Not applicable 22. Name of accounting firm: Not applicable 23. Name of accountant: Not applicable 24. Accountant's practice certificate number: Not applicable 25. Does it involve a change in operating model: No 26. Explanation of changes in operating model: Not applicable 27. Transaction status with the counterparty in the past year and expected next year: Not applicable 28. Source of funds: Not applicable 29. Date of previous major information disclosure for the same event: Not applicable 30. Other matters to be stated: None