Formosa Chemicals Announces Board Resolution on Cash Dividend Record Date

1. Date of board, shareholder meeting resolution, or company decision: 115/06/25 2. Type of rights/dividend adjustment (please enter 'rights issue', 'dividend', or 'rights and dividend'): dividend 3. Type and amount of ordinary share dividend: NT$1 per share 4. Ex-dividend trading day: 115/07/15 5. Final transfer date: 115/07/16 6. Start date of transfer suspension: 115/07/17 7. End date of transfer suspension: 115/07/21 8. Ex-dividend reference date: 115/07/21 9. Final date for bond conversion application: Not applicable 10. Start date of bond conversion suspension: Not applicable 11. End date of bond conversion suspension: Not applicable 12. Ordinary share cash dividend payment date: 115/08/19 13. Other matters to be disclosed: None