[Dingxuan-KY] Correction of related party transaction reporting information for March 2026

1. Date of event: 2026/05/19 2. Company name: Changzhou Weiss Shuanglian Technology Co., Ltd. 3. Relationship with company: Subsidiary 4. Mutual shareholding ratio: 51% (indirect) 5. Reason for event: Correction of related party transaction reporting information for March 2026 6. Item/Report name: Related party transaction reporting details 7. Amount/content before correction: [Payables] (1) Name of related party: Changzhou Weiss Shuanglian Technology Co., Ltd. Monthly increase/decrease in payables (in thousands of NTD): 22 Accumulated payables for the year (in thousands of NTD): 339,465 Percentage of accumulated payables in the consolidated financial statements for the year: 0.01% 8. Amount/content after correction: [Payables] (1) Name of related party: Changzhou Weiss Shuanglian Technology Co., Ltd. Monthly increase/decrease in payables (in thousands of NTD): 22 Accumulated payables for the year (in thousands of NTD): 22 Percentage of accumulated payables in the consolidated financial statements for the year: 0.01% 9. Measures taken: Re-uploaded to the Market Observation Post System after update 10. Other: None