Yung Hong Biotech Announces Leasing of Real Estate Usage Rights from Related Party

1. Name and nature of the subject property (e.g., land located in Section XX, Subsection XX, North District, Taichung City): Office located at 11F, No. 181, Section 3, Minquan East Road, Songshan District, Taipei City (58 ping)

2. Date of occurrence: 115/7/27 ~ 115/7/27

3. Board approval date: July 27, 2026 (Minguo Year 115)

4. Other approval dates: Not applicable

5. Quantity of units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Leased area: 58 ping, rental per ping: NT$1,551.72 (excluding tax) Monthly rent: NT$90,000 (excluding tax), right-of-use asset amount: NT$3,154,225

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be omitted): Counterparty: Yung Shin International Investment Holding Corp. Relationship with the company: Parent company

7. If the counterparty is a related party, state 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 the transfer amount: Reason for selecting related party: Original owner changed on July 1, 2026 (Minguo 115) Previous transferor: Not applicable

8. If the subject property was owned by a related party of the company within the past five years, disclose the date of acquisition and disposal, price, and the relationship with the company at the time of transaction: 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 period and amount), contractual restrictions, and other important agreements: 1. Lease term: August 1, 2026 to July 31, 2029 2. Payment terms: Monthly payment of NT$94,500 (including tax) 3. Other important terms: None

11. Decision method for this transaction (e.g., bidding, comparison, negotiation), reference basis for price determination, and decision-making unit: 1. Reference basis for price determination: Market rental rates in the surrounding area 2. Decision-making unit: 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 indicates a limited, specific, or special price: No or not applicable

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

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

18. If there is a significant difference in appraisal results, state the reason and the accountant's opinion: Not applicable

19. Name of accounting firm: Not applicable

20. Name of accountant: Not applicable

21. License number of accountant: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use of the acquisition or disposal: For use as a self-operated business premises

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

25. This transaction is a related-party transaction: Yes

26. Date of supervisor approval or audit committee consent: July 23, 2026 (Minguo Year 115)

27. This transaction involves acquiring real estate or its usage rights from a related party: Yes

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

29. Valuation amount under Article 17 of the same rules, if the valuation under the previous item is lower than the transaction price: Not applicable

30. Previous date of material information disclosure regarding the same event: May 6, 2026 (Minguo Year 115)

31. Other explanatory matters: The original lessor, Yung Shin Formosa Investment Holding Corp., merged this usage right asset into Yung Shin International Investment Holding Corp. on July 1, 2026 (Minguo 115).