[Chichien] Announcement on Securities Acquisition by Subsidiary 'Hao-Han Power'

1. Name of Securities: Winbond Electronics Common Stock 2. Transaction Date: 115/5/12 - 115/6/3 3. Board Resolution Date: N/A 4. Other Authorization Date: Authorized by Chairman, June 3, 115 5. Quantity, Price per Unit, and Total Amount: 1,500,000 shares, 140.82 NTD/share, Total: 211,227,500 NTD 6. Gain/Loss on Disposal: N/A 7. Relationship with Target Company: None 8. Current Holding Status: Parent company Chichien (2,000,000 shares, 355,000,000 NTD); Company (1,300,000 shares, 230,750,000 NTD) 9. Financial Proportions: As a % of total assets: 255.01%; as a % of equity attributable to parent owners: 259.28%; Working capital: 274,167,000 NTD 10. Purpose of Acquisition: Investment portfolio 11. Dissenting opinions: N/A 12. Related Party Transaction: No 13. Counterparty relationship: N/A 14. Supervisor/Audit Committee approval date: N/A 15. Date of prior announcement: N/A 16. Other notes: None