【Chin-Up】Announcement by Subsidiary Chengxi Energy Co., Ltd. Regarding Resolution for Cash Capital Increase

1. Date of board resolution or company decision: 2026/05/15 2. Number of shares issued: 30,000 thousand shares 3. Par value per share: NT$10 4. Total issue amount: NT$300,000 thousand 5. Issue price: NT$10 per share 6. Number of shares for employee subscription: 3,000 thousand shares 7. Subscription ratio for existing shareholders: 90% 8. Public offering method and number of shares: Not applicable 9. Handling method for fractional shares and unsubscribed shares after the deadline: Not applicable 10. Rights and obligations of the newly issued shares: Same as existing shares 11. Purpose of this capital increase: Strengthen capital structure 12. Record date for cash capital increase subscription: 2026/06/04 13. Last day for transfer registration: 2026/05/30 14. Start date for suspension of transfer registration: 2026/05/31 15. End date for suspension of transfer registration: 2026/06/04 16. Payment period for share subscription: 2026/06/05 17. Date of contract with collecting and dedicated deposit bank: Not applicable 18. Entrusted collection institution: Not applicable 19. Entrusted deposit institution: Not applicable 20. Other matters that need to be specified: None