[Accton] Announcement of Board Resolution to Increase Capital for Subsidiary Accton Manufacturing and Service, Inc.

1. Name and nature of the target entity (for preferred stock, specify agreed issuance conditions such as dividend rate): Accton Manufacturing and Service, Inc. 2. Date of occurrence of the event: 115/6/11~115/6/11 3. Date of board of directors' approval: June 11, 115th year of the Republic of China (2026) 4. Date of other approvals: Not applicable 5. Transaction quantity, price per unit, and total transaction amount: Planned cash capital increase of USD 20 million. 6. Counterparty to the transaction and its relationship with the company (if the counterparty is an individual and not a related party of the company, disclosure of their name may be waived): Accton Manufacturing and Service, Inc.; Subsidiary of this company 7. If the counterparty is a related party, announce the reason for selecting the related party as the counterparty, the previous owner, the relationship between the previous owner, the company, and the counterparty, the date of the previous transfer, and the amount of the transfer: Not applicable 8. If the subject of the transaction was owned by a related party of the company within the last five years, announce the date of acquisition and disposal by the related party, the price, and the relationship with the company at the time of the transaction: Not applicable 9. Matters related to the disposal of claims (including the types of collateral attached to the disposed claims, and if the disposed claims are against a related party, the name of the related party and the book value of the disposed claims against the related party): Not applicable 10. Profit (or loss) from disposal (not applicable for acquisition of securities) (if originally deferred, explain the recognition status in a table): Not applicable 11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Not applicable 12. Method of decision for this transaction, basis for price determination, and decision-making unit: Based on the resolution of the board of directors on June 11, 115th year of the Republic of China (2026) 13. Net asset value per share of the company whose securities are acquired or disposed of: Not applicable 14. Quantity, amount, shareholding ratio, and restrictions on rights (such as pledge status) of securities held cumulatively up to the present (including this transaction): Cumulative amount held: NT$1,571.77 million 15. Up to the present, the proportion of securities investments listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Publicly Issued Companies" (including this transaction) to the total assets and the 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 of total assets: 9.90% Proportion of owner's equity: 23.54% Amount of working capital: NT$37,876,521 thousand 16. Broker and brokerage fees: Not applicable 17. Specific purpose or use of the acquisition or disposal: To increase factory infrastructure and related production equipment. 18. Opinions of dissenting directors regarding this transaction: None 19. Is this transaction a related party transaction?: Yes 20. Date of approval by supervisor or consent by audit committee: June 11, 115th year of the Republic of China (2026) 21. Did an accountant issue an opinion of unreasonableness for this transaction?: Not applicable 22. Name of accounting firm: Not applicable 23. Name of accountant: Not applicable 24. Accountant's practicing certificate number: Not applicable 25. Does it involve a change in the business model?: No 26. Explanation of business model change: Not applicable 27. Transaction situation with the counterparty in the past year and projected for the next year: Not applicable 28. Source of funds: Internal funds 29. Date of previous announcement of material information regarding the same event: Not applicable 30. Other explanatory matters: None