2323 Zhong Huan Announces Disposal of ASUS Shares

Release Date: July 2, 2026 Statement Date: July 1, 2026 Statement Time: 17:41:38 Company Code: 2323 Company Name: Zhong Huan Subject: Announcement of Disposal of Marketable Securities Applicable Clause: Clause 20 Factual Date: July 1, 2026

1. Security Name: ASUS Ordinary Shares

2. Transaction Date: November 20, 2025 – July 1, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 1, 2026 (R.O.C. Year 115)

5. Transaction Quantity, Unit Price, and Total Amount: Quantity (in thousands of shares): 700 Unit Price (NT$): 660.73 Total Transaction Amount (NT$): 462,510,199

6. Disposal Gain (or Loss) (not applicable for acquisition): Disposal Loss: NT$42,039,417

7. Relationship with the Target Company: None

8. Cumulative Holdings of the Security (including this transaction) to Date – Quantity, Amount, Ownership Percentage, and Restricted Rights (e.g., Pledge Status): Remaining Holdings: 60,000 shares, Amount: NT$47,336,595 Ownership Percentage: 0.008%, Rights Restrictions: None

9. Proportion of Marketable Securities Investment (including this transaction) under Article 3 of the 'Asset Acquisition and Disposal Regulations for Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of Parent in the Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Percentage of Total Assets: 83.39% Percentage of Equity Attributable to Owners of Parent: 119.77% Working Capital Amount: NT$8,285,327 thousand

10. Specific Purpose of Acquisition or Disposal: Portfolio Management

11. Dissenting Director Opinions on This Transaction: None

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

13. Counterparty and Relationship with the Company: Not applicable

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 Disclosures: On June 30, 2026, authorized traders were granted permission to conduct securities transactions in the centralized market during Q3 2026.