【Zeng Ni Qiang】Announcement of Determining the Subscription Benchmark Date and Related Matters for the 115th Year Cash Capital Increase (Change in Share Payment Period)

1. Board resolution or company decision on capital increase benchmark date: 115/07/02 2. Whether aggregate reporting for new share issuance is adopted (if yes, specify the scheduled issuance period; if no): No 3. Regulatory authority reporting effective date: 115/06/24 4. Board resolution (supplementary) issuance date: 115/05/08 5. Total issuance amount and number of shares: Total issuance amount: NT$237,240,000 (par value) Number of shares issued: 23,724,000 shares 6. For aggregate reporting new share issuance cases, the amount and number of shares issued this time: Not applicable 7. For aggregate reporting new share issuance cases, the remaining amount and number of shares after this issuance: Not applicable 8. Par value per share: NT$10 9. Issuance price: NT$58 per share 10. Number of shares for employee subscription: In accordance with Article 267 of the Company Act, 10% of the new shares issued through capital increase, totaling 2,372,400 shares, are reserved for subscription by company employees. 11. Subscription ratio for existing shareholders: In accordance with Article 267 of the Company Act, 80% of the new shares issued through capital increase, totaling 18,979,200 shares, will be allocated to existing shareholders based on their holdings as recorded in the shareholder register on the capital increase subscription benchmark date. Based on the company's current outstanding shares of 237,241,193, existing shareholders are entitled to subscribe to 79.99959770 shares for every 1,000 shares held. If the number of outstanding shares changes due to fluctuations in the company's common stock, the chairman will make necessary adjustments to the subscription ratio. 12. Public offering method and number of shares: In accordance with Article 28-1 of the Securities and Exchange Act, 10% of the new shares issued in this capital increase, totaling 2,372,400 shares, will be offered to the public through open subscription. 13. Handling of fractional shares and unclaimed shares: Fractional shares less than one share subscribed by existing shareholders shall be consolidated into whole shares by shareholders directly applying to the company's share agency within five days from the closing date for transfer. Any remaining fractional shares not consolidated into whole shares, as well as shares abandoned, under-subscribed, or not consolidated by existing shareholders or employees, may be authorized by the chairman to be subscribed by specific persons at the issuance price. 14. Rights and obligations of the newly issued shares: Same as those of the originally issued common shares. 15. Use of proceeds from this capital increase: Repayment of bank loans 16. Cash capital increase subscription benchmark date: 115/07/25 17. Final transfer date: 115/07/20 18. Start date of transfer suspension: 115/07/21 19. End date of transfer suspension: 115/07/25 20. Share payment period: (1) Payment period for existing shareholders and employees: 115/7/31 to 115/8/31 (this change) (2) Payment period for specific investors: 115/9/1 to 115/9/7 (this change) 21. Contract signing date with banks for collection and dedicated account deposit: To be announced after formal contract signing 22. Institution entrusted with payment collection: To be announced after formal contract signing 23. Institution entrusted with fund deposit: To be announced after formal contract signing 24. Other matters to be disclosed: (1) The company's cash issuance of 23,724,000 ordinary shares in the 115th year has been approved effective by the Financial Supervisory Commission under document No. 1150346570 dated 115/06/24. (2) Any unresolved matters regarding this cash capital increase, or changes to the above dates or periods due to legal or objective environmental factors, shall be fully handled by the chairman.