【CMC】Announcement of the Company's Acquisition of Securities

1. Security Name:
Guang Sheng Common Stock
2. Transaction Date: 2026/3/23~2026/4/8
3. Board Resolution Date: Not applicable
4. Other Approval Dates:
Approval Level: Chairman's approval
April 8, 2026
5. Transaction Volume, Price per Unit, and Total Transaction Amount:
Transaction Volume (thousand shares): 167
Price per Unit (NTD): 2,036.85
Total Transaction Amount (NTD): 340,154,675
6. Disposal Profit (or Loss) (Not applicable to acquirers of securities):
Not applicable
7. Relationship with the Transacting Company:
None
8. Cumulative Holdings of these Securities (including this transaction) to Date: Quantity, Amount, Shareholding Ratio, and Encumbrances (e.g., pledges):
Remaining Holdings: 74,000 shares, Amount: NTD 151,322,718
Shareholding Ratio: 0.09%, Encumbrances: None
9. Cumulative Investment in Securities (including this transaction) as listed in Article 3 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies" as a Percentage of the Company's Latest Financial Report's Total Assets and Equity Attributable to Owners of the Parent, and the Amount of Working Capital in the Latest Financial Report:
Percentage of Total Assets: 73.16%
Percentage of Equity Attributable to Owners of the Parent: 102.48%
Working Capital Amount: NTD 8,285,327 thousand
10. Specific Purpose of Acquisition or Disposal:
Investment portfolio
11. Opinions of Dissenting Directors on this Transaction:
None
12. This transaction is a related party transaction:
No
13. Counterparty and its Relationship with the Company:
Not applicable
14. Date of Approval by Supervisors or Audit Committee:
Not applicable
15. Date of Previous Major Information Disclosure on the Same Event: Not applicable
16. Other Explanations:
Authorization was granted on 2026/03/31 for authorized traders to conduct securities transactions in the centralized trading market during the second quarter of 2026.