[Chang Hwa] Correction of Related-Party Transaction Disclosure for July Year 115

1. Factual Date: 115/09/23 2. Company Name: Changhua Electric Materials Co., Ltd. 3. Relationship with Company (Enter '本公司' or 'Subsidiary'):本公司 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Correction of the amount for related-party transaction 【Acquisition of Assets】 in July Year 115 6. Item to be Corrected / Report Name: Acquisition of assets in the related-party transaction filing for July Year 115 7. Amount/Content/Page before Correction: Related stock transaction information with related parties was not included 8. Amount/Content/Page after Correction: 【Acquisition of Assets】 Name of Related Party: Shin-Etsu Materials Inc. Item Acquired: Ordinary Shares (Cash Capital Increase) Amount Acquired This Month: NT$71,295 thousand Cumulative Amount Acquired This Year: NT$71,295 thousand 9. Response Measures: Corrected content re-uploaded to the Public Information Observation Station 10. Other Matters to be Stated: None