Hsing Sheng Technology Announces Cumulative Disposal of Securities Exceeding Disclosure Threshold Over the Past Year

1. Security Name: 2454 MediaTek Inc.

2. Transaction Date: 115/2/23 ~ 115/7/23

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 23, 2026 (Minguo Year 115)

5. Transaction Quantity, Unit Price, and Total Amount: Transaction Quantity: 53,940 shares Unit Price: NT$1,820 ~ NT$4,340 Total Transaction Amount: NT$163,726,600

6. Gain (or Loss) from Disposal (not applicable for acquisition of securities): Disposal Gain: NT$11,075,200

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date – Quantity, Value, Ownership Percentage, and Restricted Rights (e.g., Pledge Status): Cumulative Holding Quantity and Value: None

9. Cumulative Securities Investment (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies' as a Percentage of Total Assets and Equity Attributable to Owners of the Parent in the Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Percentage of Total Assets: 7.59% Percentage of Equity Attributable to Parent Owners: 7.84% Working Capital: NT$506,986 thousand

10. Specific Purpose of Acquisition or Disposal: Investment and Financial Management

11. Directors' Dissenting Opinions on This Transaction: None

12. Whether This Transaction is a Related-Party Transaction: No

13. Counterparty and Its Relationship with the Company: None

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 Explanatory Matters: None