Powerchip and Broadcom Jointly Establish Panel-Level Advanced Packaging Manufacturing Joint Venture in Singapore (Supplement to Board Resolution Announcement on July 16, 115)

1. Name and nature of the subject matter (if preferred shares, specify issuance terms such as dividend rate): Shares of the joint venture company, XCIP TECHNOLOGIES PTE. LTD.

2. Date on which the fact occurred: 115/7/16 ~ 115/8/7

3. Date of board approval: July 16, Year 115

4. Other approval dates: Not applicable

5. Quantity, unit price, and total transaction amount: Estimated number of units: Undetermined Unit price: Undetermined Estimated total transaction amount: Total investment of USD 5.66 billion, with the Company investing USD 400 million.

6. Counterparty and its relationship with the Company (if the counterparty is an individual and not a related party, name disclosure may be omitted): BROADCOM TECHNOLOGIES INC.; Relationship with the Company: None.

7. If the counterparty is a related party, disclose the reason for selection, previous transferee, relationships among the previous owner, the Company, and the counterparty, transfer date, and transfer amount: Not applicable.

8. If the owner of the subject matter was a related party of the Company within the past five years, disclose the acquisition and disposal date, price, and relationship at the time: Not applicable.

9. Matters related to the disposition of receivables (including types of collateral attached to disposed receivables; if receivables from related parties are involved, disclose names and book values): Not applicable.

10. Gain (or loss) from disposition (not applicable for acquisition of securities; deferred gains shall be itemized): Not applicable.

11. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: To be implemented according to contract terms, allowing staged capital contributions.

12. Decision-making method for the transaction, reference basis for pricing, and decision-making body: Implemented pursuant to board resolution.

13. Net asset value per share of the securities-issuing company acquired or disposed: Not applicable.

14. Cumulative holdings (including this transaction) of the securities involved, including quantity, amount, ownership percentage, and restricted rights (e.g., pledge status) to date: Quantity held: Undetermined Total investment amount: USD 400 million Ownership percentage: 30% Restricted rights status: Not applicable

15. Proportion of securities investments listed under Article 3 of the 'Regulations Governing Acquisition or Disposition of Assets by Publicly Issued Companies' (including this transaction) relative to the Company's total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital in the latest financial statements (Note 2): Percentage of total assets in the latest financial statements: 11.57% Percentage of shareholders’ equity in the latest financial statements: 25.17% Working capital amount in the latest financial statements: NT$22,770,844 thousand

16. Broker and brokerage fees: Not applicable.

17. Specific purpose or use of acquiring or disposing of securities: For overall international business deployment and proximity to global customer supply chains.

18. Dissenting opinions from directors regarding this transaction: Not applicable.

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

20. Date of auditor confirmation or audit committee approval: July 16, Year 115

21. Whether the accountant issued an adverse 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. Whether this involves a change in business model: No

26. Explanation of business model change: Not applicable.

27. Transaction history with the counterparty over the past year and anticipated transactions in the next year: Not applicable.

28. Source of funds: Internal funds.

29. Previous date of material information announcement regarding the same event: July 16, Year 115

30. Other explanatory matters: Exchange rate used: 1 USD = 31.980 NTD.