Thinking Electronic Industrial Co., Ltd.: Announcement of Q1 2026 Self-Consolidated Operating Revenue for April

1. Date of occurrence of the event: 2026/05/07 2. Company name: Thinking Electronic Industrial Co., Ltd. 3. Relationship with the company (please enter 'the company' or 'subsidiary'): The company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Announcement of the company's self-consolidated operating revenue for April 2026 (after deducting internal transactions). 6. Countermeasures: The company's self-consolidated operating revenue for April 2026 was NTD 862,401 thousand, an increase of 19.35% compared to the self-consolidated operating revenue of NTD 722,609 thousand for the same period last year. The accumulated self-consolidated operating revenue from January to April 2026 was NTD 2,916,332 thousand, an increase of 11.39% compared to the accumulated self-consolidated operating revenue of NTD 2,618,143 thousand for the same period last year. 7. Other matters that should be specified (if the subject of the event or resolution belongs to a public offering or above company, this material information simultaneously conforms to the matters that have a material impact on shareholders' equity or securities prices as stipulated in Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act): It is hereby noted that these self-consolidated figures have not yet been audited by an accountant.