3712 YungWai Holding Revenue Correction

Subject: Correction of the company's March 115 revenue and cumulative revenue for March and April 115. 1. Fact occurrence date: 115/05/15. 2. Company name: YungWai Investment Holding Co., Ltd. 3. Relationship with the company: This company. 4. Mutual shareholding ratio: Not applicable. 5. Reason for occurrence: Correction of monthly operating revenue reporting information after adopting IFRSs. 6. Corrected information/report name: Monthly operating revenue reporting information after adopting IFRSs; Monthly operating revenue reporting information of subsidiary (Fuwei Energy Co., Ltd.) after adopting IFRSs. 7. Amount/content/page before correction: [Monthly operating revenue reporting information after adopting IFRSs] March 115: Monthly net operating revenue (NTD thousand): 1,489,428; Annual cumulative net operating revenue (NTD thousand): 4,058,918. April 115: Annual cumulative net operating revenue (NTD thousand): 5,700,488. [Subsidiary Monthly operating revenue reporting information after adopting IFRSs] (Fuwei Energy Co., Ltd.) March 115: Monthly net operating revenue (NTD thousand): 773,287; Annual cumulative net operating revenue (NTD thousand): 1,648,153. April 115: Annual cumulative net operating revenue (NTD thousand): 2,425,964. 8. Amount/content/page after correction: [Monthly operating revenue reporting information after adopting IFRSs] March 115: Monthly net operating revenue (NTD thousand): 3,383,462; Annual cumulative net operating revenue (NTD thousand): 5,952,952. April 115: Annual cumulative net operating revenue (NTD thousand): 7,594,522. [Subsidiary Monthly operating revenue reporting information after adopting IFRSs] (Fuwei Energy Co., Ltd.) March 115: Monthly net operating revenue (NTD thousand): 2,667,321; Annual cumulative net operating revenue (NTD thousand): 3,542,187. April 115: Annual cumulative net operating revenue (NTD thousand): 4,319,998.