Tatung Announces Subsidiary Tatung Electric Machinery Co., Ltd. Acquires Real Estate Usage Rights from Related Party

1. Name and nature of the subject property (e.g., land located at Section XX, Subsection XX, North District, Taichung City): Leased factory at No. 106, Minsheng Road, Dayuan District, Taoyuan City (including land and buildings)

2. Date of occurrence: 2026/7/21 ~ 2026/7/21

3. Board approval date: July 21, 2026

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: Lease area: 331.50 ping Rental amount: NT$121,992 per month (exclusive of tax) from 2026/08/01 to 2026/12/31 NT$236,786 per month (exclusive of tax) from 2027/01/01 to 2027/12/31 Total transaction amount: The calculated value of the right-of-use asset is NT$3,379,073

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: Tatung Development Co., Ltd. Relationship with the company: Both Tatung Electric Machinery Co., Ltd. and Tatung Development Co., Ltd. are subsidiaries of Tatung Co., Ltd.

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 between the previous transferor and the company and the counterparty, the previous transfer date, and the transfer amount: Reason for selecting related party: Operational necessity Previous transferor: Not applicable Relationship between previous transferor, company, and counterparty: Not applicable Previous transfer date and 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 the relationship with the company at the time of transaction: Not applicable

9. Expected gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, list recognition details): Not applicable

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Payment terms: Monthly payment of NT$121,992 (exclusive of tax) Lease period: 2026.08.01 - 2026.12.31 Payment terms: Monthly payment of NT$236,786 (exclusive of tax) Lease period: 2027.01.01 - 2027.12.31 Contractual restrictions: None Other important agreements: Right of first refusal upon lease expiration

11. Method of determining the transaction (e.g., bidding, price comparison, negotiation), reference basis for price determination, and decision-making unit: Transaction determination method: Negotiated based on mutually agreed usage area Decision-making unit: Board of Directors of Tatung Electric Machinery Co., Ltd.

12. Name of professional appraisal 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 for a limited price, specific price, 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, explain the reason and include 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 fee: Not applicable

23. Specific purpose or use of the acquisition or disposal: Operational necessity

24. Opinion of any director who objected to the transaction: Not applicable

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

26. Date of supervisor approval or audit committee consent: Supervisor approval date of Tatung Electric Machinery Co., Ltd. July 21, 2026

27. Whether this transaction involves acquiring real estate or its right-of-use asset 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: Not applicable

31. Other explanatory matters: None