4958 Zhen Ding-KY Subsidiary Acquires Semiconductor Equipment for Over NT$1 Billion

Announcement Date: 2026-07-28 Statement Date: 2026-07-27 Statement Time: 21:41:14 Company Code: 4958 Company Name: Zhen Ding-KY Subject: Announcement on behalf of subsidiary Liding Semiconductor Technology (Shenzhen) Co., Ltd. regarding the acquisition of machinery equipment. Applicable Clause: Clause 20 Date of Fact: 2026-07-27

1. Name and Nature of the Subject Matter (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Machinery Equipment

2. Date of Fact: 2025-07-28 ~ 2026-07-27

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by General Manager Approved on July 27, 2026 (R.O.C. Year 115)

5. Quantity of Units (e.g., XX square meters, converted to XX ping), Unit Price, and Total Transaction Amount: Quantity: One batch Total Transaction Amount: NT$1,002,422,484

6. Counterparty and Relationship with the Company (If the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: SHINBU CORPORATION Relationship with the Company: None

7. If the counterparty is a related party, state the reason for selecting them, previous owner, relationships among previous owner, company, and counterparty, transfer date, and amount: Not applicable

8. If the asset was previously owned by a related party of the company within the last five years, disclose the date, price, and relationship at the time of acquisition and disposal: Not applicable

9. Estimated Gain (or Loss) on Disposal (not applicable for asset acquisition) (if deferred, provide a table showing recognition): Not applicable

10. Delivery or Payment Terms (including payment periods and amounts), Contractual Restrictions, and Other Important Agreements: As stipulated in the procurement contract

11. Method of Transaction Decision (e.g., bidding, price comparison, or negotiation), Basis for Price Determination, and Decision-Making Unit: Transaction Decision Method: Price comparison and negotiation Basis for Price Determination: Market conditions Decision-Making Unit: Decided according to company's approval authority

12. Name of Professional Appraisal Firm or Company and Appraised Value: Not applicable

13. Name of Professional Appraiser: Not applicable

14. License Number of Professional Appraiser: Not applicable

15. Whether the Appraisal Report is for a Limited, Specific, or Special Price: 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: None

23. Specific Purpose or Use of Acquisition or Disposal: For operational use

24. Dissenting Director's Opinion on the Transaction: Not applicable

25. Whether the Transaction is a Related-Party Transaction: No

26. Date of Supervisor Approval or Audit Committee Consent: Not applicable

27. Whether the Transaction Involves Acquiring Real Estate or Right-of-Use Assets from a Related Party: No

28. Valuation Price under Article 16 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies': Not applicable

29. Valuation Price under Article 17 if the Price under the Previous Item is Lower than Transaction Price: Not applicable

30. Previous Date of Material Information Disclosure on the Same Event: Not applicable

31. Other Statements: None