[Alchip Technologies] Announcement of Acquisition of Machinery and Equipment for Business Use

1. Name and nature of the subject matter: Machinery and equipment 2. Date of occurrence: 115/1/1 to 115/4/23 3. Date of Board of Directors approval: Not applicable 4. Other approval date: 115/4/23 5. Transaction quantity, unit price, and total amount: - Quantity: One batch - Total amount: NT$ 670,671,887 (USD 21,270,913) 6. Counterparty and its relationship with the company: Taiwan Semiconductor Manufacturing Co., Ltd. (TSMC); Non-related party 7. Selection of the counterparty for related parties: Not applicable 8. Related party transactions in the last five years: Not applicable 9. Estimated disposal gain/loss: Not applicable 10. Payment terms and restrictions: Payment according to purchase order conditions 11. Decision-making process and reference basis: Price comparison and negotiation based on supplier quotes and market price; processed according to the company's internal authorization 12. Professional appraisal firm: Not applicable 13. Name of appraiser: Not applicable 14. Certificate number: Not applicable 15. Is it limited, specific, or special price: No or Not applicable 16. Has appraisal report not been obtained: No or Not applicable 17. Reason for not obtaining appraisal report: Not applicable 18. Major difference in appraisal results: Not applicable 19. Accounting firm: Not applicable 20. Name of accountant: Not applicable 21. Certificate number: Not applicable 22. Broker and fee: Not applicable 23. Concrete purpose or use of acquisition: For production use 24. Opinions of dissenting directors: Not applicable 25. Related party transaction: No 26. Date of Supervisor/Audit Committee approval: Not applicable 27. Acquisition of real estate from related parties: No 28. Price evaluation as per Article 16: Not applicable 29. Price evaluation as per Article 17: Not applicable 30. Date of previous announcement of the same event: Not applicable 31. Other matters: None