Sanko Chemical's Subsidiary Li-Fu Carbonic Announces Disposal of Real Estate to Related Party

1. Name and nature of the subject property (e.g., land located in Section XX, Minor Section XX, North District, Taichung City): Land: Lot No. 536, 537, 539, Minor Section Luzhunan, Luzhunan Section, Toufen City, Miaoli County Building: Building No. 175, Minor Section Luzhunan, Luzhunan Section, Toufen City, Miaoli County

2. Date on which the event occurred: June 26, 2026 ~ June 26, 2026

3. Board approval date: April 29, 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: Land: 2,618 square meters, equivalent to 791.945 ping Building: 501.75 square meters, equivalent to 151.78 ping Total transaction amount: NT$200,000 thousand

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: Hongkang Technology Co., Ltd. Relationship with the company: Substantial related party of the 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 the counterparty: Hongkang Technology Co., Ltd. expressed willingness to purchase the land and buildings of "Li-Fu Carbonic." Relationship among previous transferor, company, and counterparty: Not applicable Previous transfer date: Not applicable Previous transfer amount: Not applicable

8. If the ownership of the subject property was held by a related party of the company within the past five years, disclose the date of acquisition and disposal, price, and 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 status): Estimated gain on disposal: approximately NT$182,576 thousand

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: As stipulated in the real estate sales contract signed by both parties

11. Decision method for this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Decision method: Negotiated pricing between both parties Reference basis for price determination: Market conditions and bid prices from potential buyers

12. Name of professional appraiser firm or company and appraisal amount: Appraisal report issued by Zhonghua Real Estate Appraisers Joint Office; Appraisal amount: NT$143,585 thousand

13. Name of professional appraiser: Zhonghua Real Estate Appraisers Joint Office: Hsieh Dian-Jing

14. Appraiser's license number: (115) Taipei City Appraisal No. 147

15. Whether the appraisal report indicates a limited price, specific price, or special price: No or Not applicable

16. Whether the 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 auditor's opinion: Not applicable

19. Name of auditor firm: Not applicable

20. Name of auditor: Not applicable

21. Auditor's license number: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use of the acquisition or disposal: To reduce maintenance and operational management costs and to activate assets

24. Opinion of directors who expressed dissent on this transaction: None

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

26. Date of supervisor approval or audit committee consent: April 29, 2026 (Minguo Year 115)

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

28. Evaluation price pursuant to Article 16 of the "Regulations on the Acquisition or Disposal of Assets by Publicly Issued Companies": Not applicable

29. If the evaluation price under the previous item is lower than the transaction price, the evaluation price pursuant to Article 17 of the same regulations: Not applicable

30. Previous date on which a material information announcement was made regarding the same event: April 29, 2026 (Minguo Year 115)

31. Other explanatory matters: None.