[HIWIN Mikrosystem] Announcement regarding the setting of the ex-dividend record date

1. Date of Board/Shareholders' resolution: 115/05/26 2. Type of ex-rights/dividend: Ex-dividend 3. Type and amount of dividend for common shares: Cash dividend of NT$95,841,478 4. Ex-dividend date: 115/07/08 5. Last transfer date: 115/07/09 6. Start date of suspension of transfer: 115/07/10 7. End date of suspension of transfer: 115/07/14 8. Ex-dividend record date: 115/07/14 9. Last date for bond conversion application: N/A 10. Start date of bond conversion suspension: N/A 11. End date of bond conversion suspension: N/A 12. Cash dividend payment date: 115/08/05 13. Other matters: None