6456 GIS-KY Announces Subsidiary's Purchase of Production Equipment

Date of Announcement: July 2, 2026 Date of Statement: July 1, 2026 Time of Statement: 18:38:34 Company Code: 6456 Company Name: GIS-KY Subject: Announcement by subsidiary Integra Technology Co., Ltd. regarding the purchase of production equipment Applicable Clause: Clause 20 Factual Date: July 1, 2026

Details: 1. Name and nature of the subject matter: Production equipment 2. Factual date: July 2, 2025 – July 1, 2026 3. Board approval date: March 6, 2026 4. Other approval dates: Not applicable 5. Quantity, unit price, and total transaction amount: One batch; total transaction amount: NT$509,330 thousand 6. Counterparty and relationship with the company: Hongrui Process Industry Co., Ltd.; relationship: None 7. If the counterparty is a related party, reason for selection and previous owner details: Not applicable 8. If the asset’s owner within the past five years was a related party: Not applicable 9. Estimated gain (or loss) on disposal (not applicable for asset acquisition): Not applicable 10. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important agreements: Installment payments 11. Decision method for the transaction (e.g., bidding, comparison, or negotiation), pricing reference, and decision-making unit: Comparison and negotiation 12. Name of professional valuation firm or company and valuation amount: Not applicable 13. Name of professional appraiser: Not applicable 14. Appraiser’s license number: Not applicable 15. Whether the valuation report is for a limited, specific, or special price: No or not applicable 16. Whether a valuation report has not yet been obtained: No or not applicable 17. Reason for not obtaining a valuation report: Not applicable 18. Reasons for significant differences in valuation results and auditor’s opinion: Not applicable 19. Auditor firm name: Not applicable 20. Auditor name: Not applicable 21. Auditor license number: Not applicable 22. Broker and brokerage fees: None 23. Specific purpose or use of the acquisition or disposal: For production use 24. Dissenting director’s opinion on the transaction: Not applicable 25. Whether this 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 in the previous item is lower than the transaction price: Not applicable 30. Previous date of material information disclosure on the same event: Not applicable 31. Other explanatory matters: None