[Fuwei Electric Power] Announcement on early termination of right-of-use asset lease by important subsidiary Zhidian System Co., Ltd.

1. Name and nature of the subject matter (e.g., land parcel XX, section XX, Beitun Dist., Taichung City): 9th Floor-1, No. 252, Sec. 2, Zhongshan Rd., Banqiao Dist., New Taipei City. 2. Date of occurrence of the event: 2026/5/7 3. Date of board of directors' resolution: May 7, 2026 4. Other decision dates: Not applicable 5. Quantity of transaction units (e.g., XX square meters, equivalent to XX pings), unit price, and total transaction amount: Quantity of transaction units: Leased area approx. 56.48 pings Unit price: Monthly rent NT$56,888 (before tax) Estimated disposal amount of right-of-use assets: NT$1,584,224 6. Counterparty to the transaction 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): Counterparty: Li Qiuhui Relationship with the company: De facto related party of a subsidiary 7. If the counterparty is a related party, the reason for selecting the related party as the transaction object, the previous owner, the relationship between the previous owner and the company and the counterparty, the date of the previous transfer, and the transfer amount shall be announced: Reason for selecting the related party as the transaction object: Business needs. Previous owner: Not applicable. 8. If the ownership of the transaction target has belonged to a related party of the company within the past five years, the acquisition and disposal dates, price, and relationship with the company at the time of the transaction of the related party shall be announced: Not applicable. 9. Estimated disposal gain (or loss) (not applicable for asset acquisition) (for deferred items, the recognition status should be listed and explained): NT$24,982. 10. Delivery or payment terms (including payment period and amount), contract restriction clauses, and other important agreements: Monthly rent NT$56,888 (before tax) 11. Method of determining this transaction (e.g., tender, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Reference basis for price determination: Reference to surrounding market conditions. Decision-making unit: Board of directors. 12. Name of professional appraiser's firm or company and its appraised amount: Not applicable. 13. Name of professional appraiser: Not applicable. 14. Professional appraiser's license number: Not applicable. 15. Is the appraisal report for a limited 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 significant difference in the appraisal result, the reason for the difference and the auditor's opinion: Not applicable. 19. Name of accounting firm: Not applicable. 20. Name of accountant: Not applicable. 21. Accountant's license number: Not applicable. 22. Broker and brokerage fees: Not applicable. 23. Specific purpose or use of acquisition or disposal: Business needs. 24. Opinions of directors who expressed dissenting opinions on this transaction: Not applicable. 25. Is this transaction a related party transaction: Yes 26. Date of approval by supervisors or audit committee: May 7, 2026 27. Is this transaction the acquisition of real estate or its right-of-use assets from a related party: Yes 28. Price evaluated according to Article 16 of the "Regulations Governing the Acquisition or 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 major announcement on the same event: Not applicable 31. Other matters to be specified: Because Fuwei Electric Power Co., Ltd. resolved through its board of directors on May 15, 2025, to conduct a share exchange and cash acquisition of Zhidian System Co., Ltd., and completed the acquisition on July 1, 2025, this lease agreement was signed by Zhidian Company on January 15, 2025, and was not yet within the scope of related parties. Therefore, there was no original major information announcement. Zhidian Company resolved through its board of directors on May 7, 2026, to prematurely terminate this lease agreement, and this major information announcement serves to explain it.