[AVC] Subsidiary Qihong Optoelectronics (Wuhan) Co., Ltd. announces the acquisition of machinery and equipment

1. Name and nature of the subject matter: Machinery and equipment 2. Date of occurrence of the event: 2026/05/15 3. Date of board of directors resolution: May 15, 2026 4. Date of other approvals: Not applicable 5. Transaction volume, unit price, and total transaction amount: Volume: One batch. Total amount: Approx. RMB 140 million (Approx. NT$ 658 million) 6. Trading counterparty and its relationship with the company: Counterparty: Suzhou Jiaqishi Technology Co., Ltd. Relationship: None 7. If the counterparty is a related party, reasons for choosing them: Not applicable 8. If the owner of the subject matter within the past 5 years was a related party: Not applicable 9. Expected disposal profit (or loss): Not applicable 10. Delivery or payment conditions, restrictive covenants, and other important agreements: Delivery/Payment conditions: Fulfill according to contract 11. Method of deciding the transaction, reference basis for price, and decision-making unit: Method: Price negotiation. Reference: Market rate. Decision unit: Board of directors 12. - 22. Appraisal and accountant information: Not applicable 23. Specific purpose or use of acquisition: For business operation use 24. Opinions of dissenting directors: None 25. Is this a related party transaction: No 26. - 30. Other regulatory evaluations: Not applicable 31. Other matters to be specified: None.