[Exicon] Announcement of Consolidated Operating Revenue for March 2026

1. Date of occurrence: 115/04/09 2. Company name: Exicon Electronic Industrial Co., Ltd. 3. Relationship with company (enter 'parent company' or 'subsidiary'): Parent company 4. Proportion of cross-held shares: Not applicable 5. Reason for occurrence: Announcement of the company's unaudited consolidated operating revenue for March 2026 (internal transactions deducted). 6. Countermeasures: The company's unaudited consolidated operating revenue for March 2026 was NT$798,392,000, an increase of 11.26% compared to the consolidated operating revenue of NT$717,614,000 in the same period last year. The cumulative unaudited consolidated operating revenue for January-March 2026 was NT$2,053,931,000, an increase of 8.36% compared to the cumulative consolidated operating revenue of NT$1,895,534,000 in the same period last year. 7. Other matters that need to be described (If the subject of the event occurrence or resolution is a publicly issued company or above, this major information also meets the requirements of Article 7, Item 9 of the Enforcement Rules of the Securities Transaction Act regarding matters that have a significant impact on shareholder equity or stock prices): The unaudited figures have not yet been audited by an accountant, and this is hereby stated. Keywords: Major Information