Sinopec's Key Subsidiary Dingyue Development Announces Change of Corporate Director Representative and Over One-Third Board Turnover

1. Date of Change: 115/08/10 2. Type of Personnel Change (Corporate Director, Corporate Supervisor, Independent Director, Natural Person Director, or Natural Person Supervisor): Corporate Director Representative 3. Former Title and Name: Representative of China Petroleum & Chemical Development Co., Ltd., Shen Hui-ting 4. Former's Resume: Vice Chairman of China Petroleum & Chemical Development Co., Ltd. 5. New Title and Name: Representative of China Petroleum & Chemical Development Co., Ltd., Li Jin-yi 6. New's Resume: Senior Manager, Human Resources Department, China Petroleum & Chemical Development Co., Ltd. 7. Nature of Change (Resignation, Removal, Term Expiration, Death, or New Appointment): New Appointment 8. Reason for Change: Corporate director reassigning representative 9. Number of Shares Held by New Appointee at Time of Election: Not applicable 10. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 113/01/15 - 116/01/14 11. Effective Date of New Appointment: 115/08/10 12. Proportion of Director Changes Under Same Term: 2/3 13. Proportion of Independent Director Changes Under Same Term: Not applicable 14. Proportion of Supervisor Changes Under Same Term: Not applicable 15. Is the change in directors over one-third (Yes or No): Yes 16. Other Matters to be Clarified (If the subject is a publicly issued company or above, this major information also meets Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or securities prices): The effective date of the change is 115/08/10.