[Chi Hsiang Chuan] Announcement of Securities Acquisition by Subsidiary

1. Security name: Quanta common stock 2. Transaction date: 115/6/1 3. Board approval date: N/A 4. Other decision date: Chairman level, 115/06/01 5. Quantity, price per unit, total amount: 500,000 shares, 372.5 TWD/share, 186,250,000 TWD total 6. Profit/Loss: N/A 7. Relationship with target: None 8. Cumulative holdings: 500,000 shares, 186,250,000 TWD, 0.01% stake 9. Asset ratio: 250.63% of total assets, 254.84% of equity 10. Purpose: Investment portfolio 11. Dissenting opinion: N/A 12. Related party transaction: No 13. Counterparty: N/A 14. Audit committee date: N/A 15. Previous announcements: N/A 16. Other: None