3037 Unimicron Acquires Machinery and Equipment for Production Use

Disclosure Date: 1150626 Statement Date: 1150625 Statement Time: 185811 Company Code: 3037 Company Name: Unimicron Subject: Information Regarding the Acquisition of Machinery Equipment Compliance Clause: Article 20 Factual Date: 1150625 Details: 1. Name and Nature of the Subject Asset (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Machinery Equipment 2. Factual Date: 114/7/3 ~ 115/6/25 3. Board Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by Chairman Date: June 25, 115 (2026) 5. Quantity of Transaction Units (e.g., XX square meters, equivalent to XX ping), Unit Price, and Total Transaction Amount: Quantity: One batch; Total Amount: NT$1,062,814,390 6. Counterparty and Its Relationship with the Company (If the counterparty is an individual and not a related party of the company, name disclosure may be omitted): WINTAKE INTERNATIONAL LIMITED; Non-related party 7. If the counterparty is a related party, the reason for selecting such party, the previous owner, the relationship among the previous owner, the company, and the counterparty, the previous transfer date, and amount shall be disclosed: Not applicable 8. If the owner of the subject asset within the past five years was a related party of the company, the date, price, and relationship with the company at the time of acquisition and disposal shall be disclosed: Not applicable 9. Estimated Gain (or Loss) on Disposal (Not applicable for asset acquisition) (Deferred gains shall be listed with recognition details): Not applicable 10. Delivery or Payment Terms (including payment periods and amounts), Contractual Restrictive Clauses, and Other Material Agreements: Payment according to purchase order terms; Contractual restrictive clauses and other material agreements: None 11. Transaction Decision Method (e.g., tender, competitive bidding, or negotiation), Basis for Price Determination, and Decision-Making Unit: Transaction Decision Method: Negotiation Basis for Price Determination: Market conditions Decision-Making Unit: Approved in accordance with company procurement management regulations 12. Name of Professional Appraiser Firm or Company and Appraised Amount: Not applicable 13. Name of Professional Appraiser: Not applicable 14. License Number of Professional Appraiser: Not applicable 15. Whether the Appraisal Report Contains Restricted, Specific, or Special Pricing: No or Not applicable 16. Whether Appraisal Report Has Not Yet Been Obtained: No or Not applicable 17. Reason for Not Obtaining Appraisal Report: Not applicable 18. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 19. Name of Accounting Firm: Not applicable 20. Name of Auditor: Not applicable 21. License Number of Auditor: Not applicable 22. Broker and Brokerage Fees: Not applicable 23. Specific Purpose or Use of Acquisition or Disposal: For production use 24. Dissenting Director's Opinion on This Transaction: Not applicable 25. This Transaction is a Related-Party Transaction: No 26. Date of Supervisor's Approval or Audit Committee's Consent: Not applicable 27. This Transaction Involves Acquiring Real Estate or Right-of-Use Assets from a Related Party: No 28. Price Evaluated under Article 16 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies': Not applicable 29. Price Evaluated under Article 17 of the Same Rules (if the price under the previous item is lower than the transaction price): Not applicable 30. Previous Date of Material Information Disclosure for the Same Event: Not applicable 31. Other Disclosures: None