LEDSUN OPTO CORP. Announces Self-Consolidated Profit and Loss for March 2026

1. Date of occurrence of the event: 2026/04/28 2. Company name: LEDSUN OPTO CORP. 3. Relationship with the company (please enter "this company" or "subsidiary"): This company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Announcement of the company's self-consolidated profit and loss for March 2026 6. Countermeasures: None 7. Other matters that should be specified (if the subject of the event or resolution is a public offering company or above, this material information also complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a material impact on shareholders' equity or stock prices):

Account Item (Unit: NTD Thousands) March 2026 Jan-Mar 2026 ------------------------------ ----------- ------------ Consolidated Operating Revenue 33,030 248,511 Consolidated Operating Profit 459 24,506 Consolidated Pre-tax Profit -18,587 31,367 Remarks: The self-reported figures have not yet been audited by an accountant. The actual figures are subject to the company's financial reports audited by an accountant.