1314 CPC Corporation

Release Date: July 24, 2026 Statement Date: July 23, 2026 Statement Time: 18:15:41 Company Code: 1314 Company Name: CPC Corporation Subject: Announcement of Disposal of Same Securities Exceeding NT$300 Million Within One Year Applicable Clause: Item 20 Factual Date: July 23, 2026

1. Security Name: Chung-Kung Common Stock

2. Transaction Date: July 16, 2026 – July 23, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 23, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Transaction Quantity: Total of 24,800,000 shares Unit Price: NT$12.37 Total Transaction Amount: NT$306,780,700

6. Gain (or Loss) from Disposal (Not applicable for acquisition of securities): The disposal involves financial assets measured at fair value through other comprehensive income. The result will be recorded in equity on the balance sheet and will not affect the company's current period earnings.

7. Relationship with the Target Company: Chung-Kung is one of the directors of the company.

8. Cumulative Holdings (including this transaction) to Date: Remaining Holdings: 124,315,175 shares, Amount: NT$1,721,765,174, Ownership Ratio: 7.73%, Restricted Rights: 114,017,000 shares pledged.

9. Proportion of Marketable Securities Investment (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of Parent in the Latest Financial Statements, and Operating Capital Amount: Percentage of Total Assets: 45.37% Percentage of Equity Attributable to Owners of Parent: 69.11% Operating Capital Amount: (NT$9,048,815) thousand

10. Specific Purpose of Acquisition or Disposal: Capital utilization efficiency.

11. Dissenting Director's Opinion on This Transaction: Not applicable.

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: None.