[CMC] Announcement regarding the disposal of securities

1. Security Name: Nanya Technology common shares 2. Transaction Date: 115/5/25~115/5/27 3. Board Approval Date: N/A 4. Other Approval Date: Chairman approval, May 27, 115 5. Quantity, Unit Price, and Total Amount: 1,240,000 shares, 310.67 TWD/share, Total: 385,236,976 TWD 6. Disposal Gain (or Loss): 47,025,232 TWD 7. Relationship with the target company: None 8. Cumulative holdings: 2,319,000 shares, 614,879,551 TWD, 0.07% stake, no restrictions 9. Investment ratio under regulations: 78.28% of total assets, 112.43% of equity attributable to parent company owners, Working capital: 8,285,327,000 TWD 10. Purpose: Investment portfolio 11. Dissenting opinions: None 12. Related party transaction: No 13. Counterparty relationship: N/A 14. Audit committee approval: N/A 15. Previous announcements: N/A 16. Other: Authorized on 115/03/31 for trading in the second quarter.