Sheng Da Electric Announces Explanation Regarding Arbitration Against China Putian Information Industry Co., Ltd. and Putian International Trade Co., Ltd.

1. Date of occurrence: 115/04/08 2. Company name: Sheng Da Electric Industry Co., Ltd. 3. Relationship with the company (Enter 'Parent Company' or 'Subsidiary'): Parent Company 4. Shareholding ratio: Not applicable 5. Reason for occurrence: The company recently received notification from the Shenzhen Court of International Arbitration that, in accordance with Article 47 of the 'Shenzhen Court of International Arbitration Rules', the arbitration period has been extended to June 30, 2026. 6. Countermeasures: The company is continuously monitoring the progress of the case to protect the interests of its shareholders. 7. Other matters to be notified (If the event occurrence or resolution subject is a publicly issued company or above, this material information also meets the criteria of Article 7, Item 9 of the Enforcement Rules of the Securities Transaction Act regarding matters that have a significant impact on shareholder rights or security prices): Not applicable