Qisda: March 2026 Consolidated Revenue NT$19.508 Billion

1. Date of Fact Occurrence: April 7, 2026. 2. Company Name: Qisda Corporation. 3. Relationship with Company (Parent Company or Subsidiary): Parent Company. 4. Mutual Shareholding Ratio: Not applicable. 5. Reason for Occurrence: Not applicable. 6. Countermeasures: Not applicable. 7. Other matters to be disclosed (If the entity that occurred or decided upon is a publicly issued company or higher, this material information also meets the requirements of Article 7, Paragraph 9 of the Securities Transaction Act, which affects shareholder rights or security prices): Consolidated revenue of the parent company (in billions of NT dollars): * March 2026: 19.508 * March 2025: 17.675 * Percentage Change: 10.37%