Announcement Date: July 17, 2026 Statement Date: July 16, 2026 Statement Time: 17:53:11 Company Code: 2323 Company Name: CMC Magnetics Corporation Subject: Announcement of Disposal of Marketable Securities Relevant Clause: Clause 20 Factual Date: July 16, 2026

1. Security Name: Sunonwealth Electric Machine Common Stock

2. Transaction Date: June 22, 2026 – July 16, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 16, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 923 Unit Price (NT$): 428.73 Total Transaction Amount (NT$): 395,716,794

6. Gain (or Loss) from Disposal (not applicable for acquisition): Gain from disposal: NT$2,049,975

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date – Quantity, Amount, Ownership Percentage, and Restricted Rights (e.g., Pledge Status): Remaining Holdings: 36,000 shares, Amount: NT$15,666,485 Ownership Percentage: 0.02%, Restricted Rights: None

9. Cumulative Proportion of Marketable Securities Investment (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Regulations for Publicly Issued Companies' relative to Total Assets and Equity Attributable to Owners of Parent in the Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Percentage of Total Assets: 85.98% Percentage of Equity Attributable to Owners of Parent: 123.48% Working Capital Amount: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposal: Portfolio management

11. Dissenting Director's Opinion 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 Material Information Disclosure Date for the Same Event: Not applicable

16. Other Disclosures: Authorized designated traders on June 30, 2026 to conduct securities transactions in the centralized market during Q3 2026.

FACT BOX

  • Source: PR Times
  • Category: News