PTI Announces Purchase of Advanced Packaging Equipment

1. Name and nature of the subject matter (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Advanced packaging equipment.

2. Date of occurrence: 115/2/23 ~ 115/8/4

3. Board approval date: Not applicable

4. Other approval dates: Approval level: Chairman Republic of China Year 115, August 4

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: One batch; total transaction amount: NT$717,454,500.

6. Counterparty and its relationship with the company (if the counterparty is a natural person and not a related party of the company, name disclosure may be omitted): Onto Innovation Inc.; relationship with the company: None.

7. If the counterparty is a related party, the reason for selecting the related party as the transaction party, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and transfer amount shall also be disclosed: Not applicable.

8. If the owner of the transaction subject had been a related party of the company within the past five years, the date of acquisition and disposal by the related party, price, and the relationship with the company at the time of transaction shall also be disclosed: Not applicable.

9. Expected gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, the recognition status shall be listed): Not applicable.

10. Delivery or payment terms (including payment period and amount), contractual restriction clauses, and other important agreed matters: Payment terms shall be made according to the procurement contract (purchase order).

11. Decision method of this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: The procurement was conducted through price comparison and negotiation in accordance with the company's procurement procedures, and executed after approval by authorized management.

12. Name of professional appraiser firm or company and appraisal amount: 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 price, specific price, or special price: No or not applicable

16. Whether the appraisal report has not yet been obtained: Yes

17. Reason for not yet obtaining the appraisal report: Not applicable.

18. Reasons for significant differences in appraisal results and auditor's opinion: Not applicable.

19. Name of auditor 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 operational production use.

24. Opinion of directors who expressed dissent on this transaction: Not applicable.

25. This transaction is a related-party transaction: No

26. Date of supervisor approval or audit committee consent: Not applicable

27. This transaction involves acquiring real estate or its right-of-use assets from a related party: No

28. Evaluation price according to Article 16 of the 'Asset Acquisition and Disposal Handling Standards for Publicly Issued Companies': Not applicable

29. Evaluation price according to Article 17 of the same standards, if the price evaluated under the previous item is lower than the transaction price: Not applicable

30. Previous date of material information disclosure regarding the same event: Not applicable

31. Other explanatory matters: None.