【Shyang Yao】Announcement of the Subsidiary's Improvement Plan for Exceeding Endorsement Guarantees

1. Date of occurrence of the event: 2026/05/13 2. Company name: Jingyun Technology Co., Ltd. 3. Relationship with the company (please enter 'this company' or 'subsidiary'): Subsidiary 4. Mutual shareholding ratio: This company holds 53.45% of Jingyun Technology Co., Ltd. shares. 5. Reason for occurrence: (1) In accordance with Taiwan Stock Exchange Corporation's letter No. 1151801337 dated April 20, 2026. (2) As of March 31, 2026, this company's subsidiary, Jingyun Technology Co., Ltd., provided an endorsement guarantee to Shyang Yao Industrial Co., Ltd. in the amount of NT$385,000,000, which exceeded the limit for endorsement guarantees to the parent company stipulated in Article 4 of Jingyun Technology's "Endorsement Guarantee Operating Procedures." 6. Countermeasures: After implementing the following improvement plan, the situation of exceeding endorsement guarantees was resolved by the end of April 2026. 7. Other matters that should be specified (If the entity involved in the event or resolution is a public offering company or above, this material information also meets the matters that have a significant impact on shareholders' equity or securities prices as stipulated in Article 7, Paragraph 9 of the Enforcement Rules of the Securities Exchange Act): (1) Shyang Yao Industrial repaid NT$50,000,000 in bank loans on April 24, and the actual loan balance has fallen below the limit. (2) Jingyun Technology Co., Ltd. convened an ordinary shareholders' meeting on April 30, 2026, and approved the amendment of the endorsement guarantee operating procedures to increase the endorsement guarantee limit (revised from the original upper limit of 100% of the company's net assets to an upper limit of 200%), after which the over-limit situation has improved.