[Huaku] Announcement of Sale of Partial Housing and Parking Spaces in Huaku Innovation Park

1. Name and Nature of the Subject Matter (e.g., land parcel in XX section, XX subsection, Beitun District, Taichung City): (1) Name of Subject Matter: Huaku Innovation Park (2) Land Location: 21 parcels including No. 495, Subsection 5, Qiyan Section, Beitou District, Taipei City (3) Housing Location: Part of the housing and parking spaces within the Huaku Innovation Park constructed on the aforementioned base 2. Date of Occurrence of Fact: 2026/5/6~2026/5/6 3. Date of Board of Directors' Resolution: Not applicable 4. Other Resolution Dates: Approval level: Chairman's approval May 6, 2026 (ROC year 115) 5. Quantity of Transaction Units (e.g., XX square meters, equivalent to XX ping), Price per Unit, and Total Transaction Amount: (1) Quantity of Transaction Units: 10 housing units, totaling 1,508.96 ping; 28 parking spaces (2) Price per Unit: Approximately NT$700,000 per ping (3) Total Transaction Amount: NT$1,129,180 thousand 6. Counterparty and its Relationship with the Company (If the counterparty is a natural person and not a related party of the company, their name may be omitted): (1) Counterparty: Dongjing Technology Co., Ltd. (2) Relationship with the Company: Non-related party 7. If the counterparty is a related party, the reasons for selecting the related party as the transaction object, the previous transferor, the relationship between the previous transferor and the company and the counterparty, the previous transfer date, and transfer amount shall also be announced: Not applicable 8. If the owner of the transaction object within the past five years was a related party of the company, the date and price of acquisition and disposal by the related party and its relationship with the company at the time of the transaction shall also be announced: Not applicable 9. Estimated Disposal Profit (or Loss) (Not applicable to asset acquisition) (For deferred items, explain the recognition status in a table): Estimated disposal profit margin approximately 22%-24% 10. Delivery or Payment Terms (including payment period and amount), Contractual Restrictions, and Other Important Agreements: (1) Delivery or Payment Terms: Payment according to agreement (2) Contractual Restrictions: None (3) Other Important Agreements: None 11. Method of Determining this Transaction (e.g., tender, price comparison, or negotiation), Reference Basis for Price Determination, and Decision-making Unit: (1) Method of Determining this Transaction: Negotiation (2) Reference Basis for Price Determination: Reference to market prices of nearby housing and land (3) Decision-making Unit: The Board of Directors authorized the Chairman to handle all matters. 12. Name of Professional Appraiser's Office or Company and its Appraisal Amount: (1) Grand Real Estate Appraisers Association; NT$1,164,049,980 (2) Zhanmao Real Estate Appraisers Association; NT$1,187,105,980 13. Name of Professional Appraiser: (1) Chen Pin-Yu (2) Yang Che-Hao 14. Professional Appraiser's Certificate Number: (1) 105北市估字第000236號 (2) 109北市估字第000287號 15. Is the Appraisal Report a Restricted Price, Specific Price, or Special Price: No or Not applicable 16. Has the Appraisal Report Not Yet Been Obtained: No or Not applicable 17. Reason for Not Yet Obtaining the Appraisal Report: Not applicable 18. If there is a material difference in the appraisal results, the reasons for the difference and the CPA's opinion: Not applicable 19. Name of Accounting Firm: Not applicable 20. Name of CPA: Not applicable 21. CPA's Certificate Number: Not applicable 22. Broker and Brokerage Fees: None 23. Specific Purpose or Use of Acquisition or Disposal: Obtain operating profit 24. Opinions of Dissenting Directors in this Transaction: None 25. Is this Transaction a Related Party Transaction: No 26. Date of Supervisor's Approval or Audit Committee's Consent: Not applicable 27. Is this Transaction an Acquisition of Real Estate or Right-of-Use Assets from a Related Party: No 28. Price evaluated according to Article 16 of the 'Regulations Governing the Acquisition and Disposal of Assets by Public Companies': Not applicable 29. If the price evaluated in the preceding paragraph is lower than the transaction price, the price evaluated according to Article 17 of the same Regulations: Not applicable 30. Date of Previous Material Information Announcement on the Same Event: Not applicable 31. Other Matters to be Specified: This transaction was fully authorized by the Board of Directors to the Chairman on 2025/8/6 (ROC year 114).