[ITEQ] Announcement of New Endorsement/Guarantee for ITEQ Corporation (Thailand) LTD. Exceeding TWD 30M and 5% of Net Worth

1. Date of occurrence: 2026/04/24 2. Details of the guaranteed party: (1) Name: ITEQ Corporation (Thailand) LTD. (2) Relationship: 100% owned subsidiary. (3) Limit of guarantee: 21,267,030 (k TWD) (4) Previous balance: 1,765,680 (k TWD) (5) New added amount: 1,174,754 (k TWD) (6) Current balance: 2,940,434 (k TWD) (7) Actual drawn amount: 2,056,891 (k TWD) (8) Reason: Assisting the subsidiary in obtaining operating funds. 3. Collateral: None. 4. Financials of guaranteed party: Capital 998,832 (k TWD), Retained Earnings 25,819 (k TWD). 5. Total guarantee balance as % of ITEQ's net worth: 27.91% 6. Total of guarantees, long-term investments, and loans as % of net worth: 18.52%