Chia Chi Announces Extension of Payment Period for Existing Shareholders and Employees, Designated Investors' Payment Period, and Updated Contract Date with Deposit Banks for 2026 Cash Capital Increase

1. Board resolution or company-determined capital increase benchmark date: 07/22/2026 2. Whether aggregate reporting for new share issuance is adopted (yes, specify planned issuance period / no): No 3. Regulatory authority reporting effective date: 07/13/2026 4. Board resolution (supplementary) issuance date: 06/11/2026 5. Total issuance amount and number of shares: NT$60,000,000, 6,000,000 ordinary shares 6. Issuance amount and number of shares in this round under aggregate reporting for new share issuance: Not applicable 7. Remaining amount and share balance after this issuance under aggregate reporting: Not applicable 8. Par value per share: NT$10 9. Issuance price: NT$310 per share 10. Number of shares for employee subscription: In accordance with Article 267 of the Company Act, 10% of the total new shares issued, totaling 600,000 shares, are reserved for subscription by company employees. 11. Existing shareholder subscription ratio: 80% of the newly issued shares, totaling 4,800,000 shares, will be allocated to existing shareholders based on their shareholding ratio as recorded in the shareholder register on the subscription benchmark date. 12. Public offering method and number of shares: In accordance with Article 28-1 of the Securities and Exchange Act, 10% of the issued shares, totaling 600,000 shares, will be publicly offered and underwritten externally. 13. Handling of fractional shares and unclaimed shares after the deadline: Fractional shares less than one share may be consolidated into full shares by shareholders at the company's share agent institution within five days from the share transfer suspension date. Any fractional shares not consolidated, or shares abandoned by existing shareholders or employees, shall be subscribed by designated persons at the issuance price, arranged by the Chairman. 14. Rights and obligations of the newly issued shares: Same as the existing ordinary shares. 15. Use of proceeds from this capital increase: Cleanroom renovation projects and purchase of machinery equipment. 16. Subscription benchmark date for cash capital increase: 08/04/2026 17. Last transfer date: 07/30/2026 18. Share transfer suspension start date: 07/31/2026 19. Share transfer suspension end date: 08/04/2026 20. Share payment period: (1) Payment period for existing shareholders and employees: 08/07/2026 to 09/07/2026 (adjusted this time) (2) Payment period for designated investors: 09/08/2026 to 09/10/2026 (adjusted this time) 21. Contract date with banks for collection and dedicated account deposit: 07/31/2026 (updated this time) 22. Entrusted deposit institution: Taipei Fubon Bank, Anhe Branch 23. Entrusted fund custody institution: CTBC Bank, Dunan Branch 24. Other matters to be disclosed: (1) This cash capital increase and new share issuance has been approved effective by the Financial Supervisory Commission under document No. 1150348365 dated July 13, 2026. (2) The issuance terms, issuance price, total planned funding, funding sources, project content, project items, fund utilization progress, expected benefits, and other issuance conditions may be amended due to changes in laws and regulations, instructions from regulatory authorities, unforeseen matters, or subjective and objective factors. The Chairman is hereby authorized to handle all such amendments. (3) Due to recent significant fluctuations in the stock market, and in comprehensive consideration of shareholder rights and the overall interests of the company, the originally scheduled share payment period is being adjusted to ensure the smooth completion of the cash capital raising process.