Chang Yuan Announces Acquisition of Right-of-Use Asset from Related Parties

1. Name and nature of the subject property (e.g., land located in Section X, Subsection X, North District, Taichung City): No. 389, Guangfu Road, Douliu City

2. Date on which the fact occurred: 2026/8/7 ~ 2026/8/7

3. Board approval date: August 7, 2026

4. Other resolution dates: Not applicable

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Lease period: 2026/9/1 – 2031/12/31 Transaction unit quantity: Approximately 2,211 ping Total rental amount: NT$220,000 per month Right-of-use asset amount: NT$13,210,152

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Counterparty: Li Hsiu-Miao, Chang Hsin-Ta, Chang Li-Shen Relationship with the company: Related party

7. If the counterparty is a related party, disclose the reason for selecting them, the previous transferor, the relationship between the previous transferor and the company/counterparty, transfer date, and transfer amount: Reason for selecting related party as counterparty: Based on overall cost and operational planning. Previous transferor: Dalian Metal Industry Co., Ltd. (sold to Li Hsiu-Miao, Chang Hsin-Ta, Chang Li-Shen on May 31, 2022) Relationship between previous transferor and company/counterparty: Related party Previous transfer date: January 1, 2017 ~ May 31, 2022 Previous transfer amount: NT$220,000 per month

8. If the ownership of the subject asset was held by a related party of the company within the past five years, disclose the acquisition/disposal date, price, and relationship with the company at the time: Not applicable

9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, specify recognition schedule): Not applicable

10. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important provisions: Delivery or payment terms: Monthly payment Lease period: From September 1, 2026, to December 31, 2031 Contractual restrictions and other important provisions: None

11. Method of determining the transaction (e.g., bidding, comparison, negotiation), basis for price determination, and decision-making body: Transaction determination method: Negotiation based on market conditions Basis for price determination: Reference to local market rates Decision-making body: Board of Directors

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 limited, specific, or special pricing: No or not applicable

16. Whether an appraisal report has not yet been obtained: No or not applicable

17. Reason for not obtaining appraisal report: Not applicable

18. Reasons for significant discrepancies in appraisal 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: Not applicable

23. Specific purpose or use of the acquisition or disposition: Based on overall cost and operational planning

24. Opinions of directors who objected to the transaction: None

25. Whether this transaction is a related-party transaction: Yes

26. Date of supervisor approval or audit committee consent: August 7, 2026

27. Whether the transaction involves acquiring real estate or right-of-use asset from a related party: Yes

28. Evaluation price under Article 16 of the 'Asset Acquisition and Disposition Rules for Publicly Issued Companies': Not applicable

29. Evaluation price under Article 17 of the same rules if the price in 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