Tong Hsin Electronics Clarifies Report in China Times Business on August 6

1. Date of Event: 2026/08/06 2. Company Name: Tong Hsin Electronics Industrial Co., Ltd. 3. Relationship to Company: Company Itself 4. Cross-shareholding Ratio: Not Applicable 5. Media Name: China Times Business, Page B01 6. Report Content: With rapid growth in laser-related applications for AI data centers, ceramic substrates are still expected to maintain growth momentum, jointly supporting operational performance alongside optical communication products. 7. Reason for Occurrence: Required by regulatory authority to clarify 8. Response Measures: The company does not provide financial forecasts. All financial and operational information is based on disclosures published on the Public Information Observation Station. 9. Other Matters to be Stated: None