Tatung Announces Cash Capital Increase for Subsidiary Tatung Smart Meter Inc.

1. Name and nature of the subject matter (for preferred shares, specify issuance terms such as dividend rate): Name: Tatung Smart Meter Inc. Nature: Common shares

2. Date on which the fact occurred: 115/7/23 ~ 115/7/23

3. Date approved by the board of directors: Not applicable

4. Other approval dates: Approval level: Investment Review Committee July 23, 2026 (Minguo Year 115)

5. Number of transactions, unit price, and total transaction amount: Number of units: 5,000,000 shares Unit price: NT$10 Total transaction amount: NT$50,000 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: Tatung Smart Meter Inc. Relationship with the company: Subsidiary

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: Long-term investment

8. If the owner of the securities subject to transaction was a related party of the company within the past five years, disclose the related party's acquisition and disposal date, price, and relationship with the company at the time: Not applicable

9. Matters related to the disposal of claims (including types of collateral attached to disposed claims; if claims against related parties are disposed, disclose the name of the related party and the book value of the claim disposed): Not applicable

10. Gains (or losses) from disposal (not applicable for acquisition of securities) (if previously deferred, explain recognition status in a table): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Cash capital injection; no contractual restrictions or other important agreements

12. Decision-making method for this transaction, reference basis for price determination, and decision-making unit: Approved by the company's Investment Review Committee

13. Net asset value per share of the company issuing the acquired or disposed securities: NT$9.82

14. Cumulative number, amount, ownership percentage, and restricted rights (e.g., pledge status) of the securities involved in this transaction (including this transaction) held to date: Number held: 8,500,000 shares Amount held: NT$85,000 thousand Ownership percentage: 100% Restricted status: None

15. Cumulative proportion of securities investments (including this transaction) listed under Article 3 of the 'Regulations Governing the Acquisition or Disposition of Assets by Publicly Issued Companies' to the total assets and equity attributable to owners of the parent company in the company's latest financial statements, and the amount of working capital in the latest financial statements (Note 2): Proportion to total assets in latest financial statements: 75.54% Proportion to equity attributable to owners of the parent company: 167.07% Working capital amount in latest financial statements: NT$8,690,161 thousand

16. Broker and brokerage fees: Not applicable

17. Specific purpose or use of the acquisition or disposal of securities: Long-term investment

18. Opinions of dissenting directors regarding this transaction: Not applicable

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

20. Date of confirmation by supervisors or approval by audit committee: Not applicable, per company's approval authority

21. Whether accountants issued an unreasonable opinion on this transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant's license number: Not applicable

25. Does this involve a change in business model: No

26. Explanation of business model change: Not applicable

27. Transaction status with the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Not applicable

29. Previous date of material information announcement for the same event: Not applicable

30. Other explanatory matters: Conducted in accordance with the company's approval authority and acquisition/disposition procedures.