[Imperial Garden] Notice of Securities Acquisition

1. Name of Security: MediaTek Inc. 2. Transaction Date: 6/10/2026 - 6/10/2026 3. Board Approval Date: N/A 4. Other Authorization: Chairman Approval, June 10, 2026 5. Quantity, Price, and Total Amount: 100,000 shares, 4,393.45 TWD/share, 439,345,000 TWD 6. Gain/Loss: N/A 7. Relationship with Issuer: None 8. Current Holdings: 122,000 shares, 533,360k TWD, ownership 0.008% 9. Financial Data: 0.794% of total assets, 2.942% of parent equity, Working capital 14,739,777k TWD 10. Purpose: To improve capital management efficiency 11. Dissenting Opinion: N/A 12. Related Party Transaction: No 13. Counterparty: N/A