6271 Tong Hsin Electric Clarifies Report by China Times Business News

Release Date: August 7, 2026 Statement Date: August 6, 2026 Statement Time: 10:38:15 Company Code: 6271 Company Name: Tong Hsin Electric Subject: Clarification Regarding Report Published in China Times Business News on August 6, Page B01 Applicable Clause: Item 51 Factual Date: August 6, 2026

Explanation: 1. Factual Date: August 6, 2026 2. Company Name: Tong Hsin Electronics Industrial Co., Ltd. 3. Relationship with Company (Please enter '本公司' or 'Subsidiary'):本公司 (Our Company) 4. Cross-shareholding Ratio: Not applicable 5. Media Name: China Times Business News, 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 operations alongside optical communication products. 7. Reason for Occurrence: Required explanation by regulatory authority 8. Response Measures: The company has not provided any financial forecasts. All financial and operational information shall be based on announcements made on the public information observation station. 9. Other Matters to be Disclosed: None