Yurong Announces Board Resolution on Preferred Stock Dividend Ex-Dividend Reference Date

1. Date of board, shareholder meeting resolution or company decision: 115/05/28 2. Type of ex-rights/dividend (please enter 'ex-rights', 'ex-dividend', or 'ex-rights-dividend'): ex-dividend 3. Type and amount of preferred stock dividend distribution: Cash dividend of NT$233,937,500 (NT$2.33937500 per share) 4. Ex-dividend trading day: 115/09/01 5. Final transfer date: 115/09/02 6. Start date of transfer suspension: 115/09/03 7. End date of transfer suspension: 115/09/07 8. Ex-dividend reference date: 115/09/07 9. Last application date for preferred stock conversion: NA 10. Start date of preferred stock conversion suspension: NA 11. End date of preferred stock conversion suspension: NA 12. Preferred stock cash dividend payment date: 115/09/23 13. Other matters to be disclosed: None