[China Electric] Notice of Correction to Cumulative Revenue for Jan-May 115

1. Date of event: 115/06/05 2. Company Name: China Electric Co. 3. Relationship with the company: Head office 4. Mutual shareholding ratio: Not applicable 5. Reason for event: Correction of the company's cumulative revenue for January to May 115 6. Corrected information item/Report name: Monthly revenue information after adopting IFRSs 7. Amount/Content/Page before correction: [Monthly revenue information] Cumulative net revenue for 115 (in thousands of TWD): 341,881 8. Amount/Content/Page after correction: [Monthly revenue information] Cumulative net revenue for 115 (in thousands of TWD): 425,140 9. Measures taken: Announced as a major matter on the Market Observation Post System and corrected the relevant declaration items. 10. Other matters: None