[Chung Hwa Chemical] Announcement of R&D Head Change

1. Personnel Change Category (Input 'Spokesperson', 'Deputy Spokesperson', 'Key Operational Executive (e.g., CEO, COO, CMO, CTO)', 'Finance Head', 'Accounting Head', 'Corporate Governance Officer', 'Information Security Officer', 'R&D Head', 'Internal Audit Head', or 'Litigation and Non-litigation Agent'): R&D Head 2. Date of Change: 115/04/17 3. Name, Rank, and Brief Resume of Former Incumbent: Manager Chang Chih-cheng 4. Name, Rank, and Brief Resume of New Incumbent: Acting by Assistant Manager Wu Min-you 5. Nature of Change (Input 'Resignation', 'Job Adjustment', 'Redundancy', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): Resignation 6. Reason for Change: Resignation 7. Effective Date: 115/04/17 8. Other Matters to Be Noted: The appointment of the new R&D Head is pending approval at the upcoming board meeting.