【Huang Hsiang】Announcement of Disposal of Marketable Securities

1.Security name: Delta Electronics, Inc. 2.Transaction date: 2026/5/4~2026/5/7 3.Board of Directors approval date: Not applicable 4.Other approval dates: Approval level: Chairman's approval, May 7, 2026 5.Transaction quantity, unit price, and total transaction amount: Transaction quantity: 405,000 shares Average price per share: NTD 2,277.39 Total transaction amount: NTD 922,343 thousand 6.Disposal gain (or loss) (not applicable for acquisition of marketable securities): Disposal gain NTD 94,162 thousand 7.Relationship with the company of the transaction target: None 8.As of current date, quantity, amount, shareholding ratio, and restrictions (e.g., pledge status) of cumulative holdings of this transaction security (including this transaction): Quantity: 261,000 shares Amount: NTD 575,418 thousand Shareholding ratio: 0.010% 9.As of current date, ratio of marketable securities investment (including this transaction) listed in Article 3 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies" to the total assets and equity attributable to owners of the parent in the company's most recent financial statements, and the amount of working capital in the most recent financial statements: Ratio to total assets: 1.667% Ratio to equity attributable to owners of the parent: 6.174% Working capital: NTD 14,739,777 thousand 10.Specific purpose of acquisition or disposal: To improve the company's capital utilization efficiency 11.Opinions of dissenting directors on this transaction: Not applicable 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 announcement regarding the same event: Not applicable 16.Other matters to be specified: None