Huang Hsiang Announces Disposal of Securities

1. Securities Name: Delta Electronics, Inc. 2. Transaction Date: June 3, 2026 ~ June 9, 2026 3. Board Approval Date: N/A 4. Other Approval Dates: Approval Level: Chairman Approval June 9, 2026 (Republic of China calendar) 5. Transaction Quantity, Unit Price, and Total Transaction Amount: Transaction Quantity: 130,000 shares Average Price Per Share: NT$2,395.65 Total Transaction Amount: NT$311,435 thousand 6. Disposal Gain (or Loss) (Not applicable for acquisition of securities): Disposal Gain: NT$15,899 thousand 7. Relationship with the Target Company: None 8. Cumulative Quantity, Amount, Shareholding Ratio, and Circumstances of Restricted Rights (e.g., pledge) of the Securities Held to Date (including this transaction): Quantity: 317,000 shares Amount: NT$722,429 thousand Shareholding Ratio: 0.012% 9. To Date, the Proportion of Securities Investments (including this transaction) Listed in Article 3 of the "Regulations Governing the Acquisition or Disposal of Assets by Publicly Issued Companies" to the Total Assets and the Equity Attributable to Owners of the Parent Company in the Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Proportion of Total Assets: 0.563% Proportion of Equity Attributable to Owners of the Parent Company: 2.085% Working Capital: NT$14,739,777 thousand 10. Specific Purpose of Acquisition or Disposal: To enhance the efficiency of the company's capital utilization. 11. Opinions of Directors Expressing Dissent Regarding This Transaction: N/A 12. Is This Transaction a Related Party Transaction? No 13. Counterparty to the Transaction and its Relationship with the Company: N/A 14. Date of Supervisor's Approval or Audit Committee's Consent: N/A 15. Date of Previous Announcement of Major Information on the Same Event: N/A 16. Other Explanatory Matters: None Keywords: Major Information