2323 CMC Announces Disposal of Adata Shares

Release Date: August 13, 115 Statement Date: August 12, 115 Statement Time: 18:38:25 Company Code: 2323 Company Name: CMC Subject: Announcement of Disposal of Securities Applicable Clause: Clause 20 Factual Date: August 12, 115

1. Security Name: Adata Common Stock

2. Transaction Date: 115/7/3 ~ 115/8/12

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman Date: August 12, 115

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 752 Unit Price (NT$): 406.39 Total Transaction Amount (NT$): 305,602,276

6. Gain (or Loss) on Disposal (not applicable for acquisition of securities): Disposal Loss: NT$4,425,764

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., pledged): Remaining Holdings: 143,000 shares, Amount: NT$58,811,183 Ownership Percentage: 0.04%, Restricted Rights: None

9. Proportion of Securities Investments (including this transaction) under Article 3 of the 'Asset Acquisition or Disposal Rules for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of Parent in the Company’s Latest Financial Statements, and the Amount of Working Capital in the Latest Financial Statements: Percentage of Total Assets: 84.91% Percentage of Equity Attributable to Owners of Parent: 121.95% Working Capital Amount: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposal: Portfolio Management

11. Directors Who Expressed Objections to 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 Disclosures: On 115/06/30, authorized personnel were granted authority to conduct securities transactions on the centralized market during the third quarter of 115