EMEM Announces Investment in Vertex Growth II(SG) LP Fund

Release Date: July 22, 2026 Statement Date: July 21, 2026 Statement Time: 17:25:56 Company Code: 2458 Company Name: EMEM Subject: Announcement of the Company's Acquisition of Interest in Vertex Growth II(SG) LP Applicable Clause: Item 24 Factual Date: July 21, 2026

1. Name and Nature of the Subject (For preferred shares, specify issuance terms such as dividend rate): Vertex Growth II(SG) LP, a private equity fund

2. Factual Date: 07/21/2026

3. Number of Units, Unit Price, and Total Transaction Amount: Total Transaction Amount: US$92,000 (NT$2,930,200)

4. Counterparty and Relationship with the Company (If the counterparty is a natural person and not a related party, name disclosure may be omitted): Counterparty: Vertex Growth II(SG) LP Relationship with the Company: Not a related party

5. If the counterparty is a related party, state the reason for selection, previous transferor, relationships among the previous transferor, the company, and the counterparty, transfer date, and amount: Not applicable

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

7. Matters related to the disposal of receivables (including types of collateral, and if receivables from related parties, disclose names and book value): Not applicable

8. Gain (or loss) from disposal (not applicable for acquisition of securities; deferred gains to be detailed): Not applicable

9. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important agreements: Amount paid under contract: US$92,000 (NT$2,930,200)

10. Decision-making process, pricing reference basis, and decision-making unit: Decision-making Unit: Approved by the Board of Directors on August 2, 2021

11. Net asset value per share of the securities-issuing company: Not applicable

12. Difference between private placement reference price and per-unit transaction price exceeding 20%: Not applicable

13. Cumulative holdings (including this transaction) of the securities, amount, ownership percentage, and restricted rights (e.g., pledge status) to date: Cumulative holding amount: US$1,779,005 (NT$55,164,642)

14. Proportion of cumulative private securities investments (including this transaction) to 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: Percentage of total assets: 3.10% Percentage of equity attributable to owners of the parent: 5.36% Working capital in latest financial statements: NT$3,654,426 thousand

15. Management and brokerage fees: None

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

17. Dissenting opinions from directors regarding this transaction: None

18. Whether this transaction is a related-party transaction: No

19. Board approval date: August 2, 2021

20. Supervisor approval or Audit Committee consent date: Approved by the Audit Committee on August 2, 2021

21. Whether the accountant issued a non-reasonable opinion: Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant’s license number: Not applicable

25. Other disclosures: None