[Lite-On Technology] The Company's Board of Directors Resolves to Approve a Capital Increase for its 100% Directly Held Subsidiary, LITE-ON VIETNAM CO., LTD.

1. Name and Nature of Subject Matter (for preferred shares, issuance terms such as dividend rate should also be specified): Equity of LITE-ON VIETNAM CO., LTD. 2. Date of Occurrence of the Event: 2026/4/29~2026/4/29 3. Date of Board of Directors' Approval: April 29, 2026 (Republic of China calendar year 115) 4. Other Approval Dates: Not applicable 5. Transaction Quantity, Unit Price, and Total Transaction Amount: Total transaction amount: US$ 110,000,000 6. Counterparty of the Transaction and its Relationship with the Company (if the counterparty is a natural person and not a related party of the company, disclosure of their name may be omitted): LITE-ON VIETNAM CO., LTD. is a 100% held subsidiary of the Company. 7. If the counterparty is a related party, the reason for selecting the related party as the transaction object, the previous owner of the transferred object, the relationship between the previous owner and the company and the counterparty, the previous transfer date and transfer amount should also be announced: Not applicable 8. If the ownership of the transaction object within the last five years has been a related party of the company, the acquisition and disposal dates, prices, and relationship with the company at the time of the transaction should also be announced: Not applicable 9. Matters related to the disposal of claims (including the type of collateral accompanying the disposed claims, if the disposed claims belong to claims against related parties, the name of the related party and the book value of the disposed claims against the related party should also be announced): Not applicable 10. Disposal gains (or losses) (not applicable for acquisition of securities) (for deferred amounts, a table should be provided explaining the recognition status): Not applicable 11. Delivery or Payment Terms (including payment period and amount), Contractual Restrictions, and Other Important Covenants: Staged investment based on capital requirements. 12. Method of Decision for this Transaction, Reference Basis for Price Determination, and Decision-Making Unit: Approved by the Board of Directors of the Company. 13. Net Asset Value per Share of the Company Acquiring or Disposing of Securities: Not applicable 14. As of now, the accumulated quantity, amount, shareholding ratio, and restrictions on rights (such as pledging status) of this transaction's securities (including this transaction): Accumulated equity holding is approximately US$432.5 million. Shareholding ratio: 100% Restrictions on rights: None 15. As of now, the proportion of investment in securities listed in Article 3 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies" (including this transaction) to the total assets and owner's equity attributable to the parent company in the most recent financial report, and the working capital amount in the most recent financial report (Note 2): Proportion to total assets: 43.79% Proportion to owner's equity attributable to parent company: 84.66% Working capital amount: NT$10,856,387 thousand 16. Broker and Brokerage Fees: Not applicable 17. Specific Purpose or Use of Acquisition or Disposal: Expenditure needs for capacity expansion. 18. Opinions of Dissident Directors on this Transaction: None 19. This transaction is a related party transaction: Yes 20. Date of Approval by Supervisors or Audit Committee: April 29, 2026 (Republic of China calendar year 115) 21. Accountant's Opinion on the Unreasonableness of this Transaction: Not applicable 22. Accounting Firm Name: Not applicable 23. Accountant's Name: Not applicable 24. Accountant's Practice Certificate Number: Not applicable 25. Does it 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 estimated next year: Not applicable 28. Source of Funds: Own funds 29. Date of previous material information announcement on the same event: Not applicable 30. Other explanatory matters: US dollar exchange rate used is 31.945