2323 CTCI Corporation Acquires Uni-Pharma Shares

Release Date: July 7, 2026 Statement Date: July 6, 2026 Statement Time: 18:08:59 Company Code: 2323 Company Name: CTCI Corporation Subject: Announcement of Acquisition of Securities Applicable Clause: Clause 20 Factual Date: July 6, 2026

1. Security Name: Uni-Pharma Common Stock

2. Transaction Period: June 29, 2026 – July 6, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 6, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 190 Unit Price (NT$): 2,006.47 Total Transaction Amount (NT$): 381,229,416

6. Gain (or Loss) on Disposal (not applicable for acquisition): Not applicable

7. Relationship with the Target Company: None

8. Cumulative Holdings to Date (including this transaction): Balance: 425,000 shares, Amount: NT$963,862,767 Ownership Percentage: 0.46%, Rights Restrictions: None

9. Proportion of Securities Investment (including this transaction) under Paragraph 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of Parent in the Most Recent Financial Statements, and Operating Capital: Percentage of Total Assets: 86.03% Percentage of Equity Attributable to Owners of Parent: 123.56% Operating Capital: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposal: Portfolio investment

11. Dissenting Director Opinions on This Transaction: None

12. Whether This Transaction is a Related-Party Transaction: No

13. Counterparty and Relationship with the Company: Not applicable

14. Date of Supervisor Approval or Audit Committee Consent: Not applicable

15. Previous Date of Material Information Disclosure on the Same Event: Not applicable

16. Other Explanatory Matters: On June 30, 2026, authorized traders were granted permission to conduct securities transactions on the centralized market during the third quarter of 2026.