6958 Risheng Taijun Adds New Endorsement Guarantee for Subsidiary

Date of Announcement: July 24, 2026 Date of Statement: July 23, 2026 Time of Statement: 18:18:54 Company Code: 6958 Company Name: Risheng Taijun

Subject: The company has added an endorsement guarantee exceeding NT$30 million and 5% of the latest financial statement's net worth, and is announcing this in accordance with regulations.

Applicable Clause: Item 22 Date of Event: July 23, 2026

Details: 1. Date of Event: 07/23/2026

2. Endorsed and Guaranteed Entity: (1) Company Name: Risheng Full Energy Co., Ltd. (2) Relationship with Guarantee Provider: Subsidiary (3) Guarantee Limit (in thousand NTD): 83,330,088 (4) Previous Guarantee Balance (in thousand NTD): 1,776,555 (5) Amount of New Guarantee Added (in thousand NTD): 2,632,147 (6) Guarantee Balance as of Event Date (in thousand NTD): 4,408,702 (7) Actual Amount Drawn by Guaranteed Entity (in thousand NTD): 1,021,469 (8) Reason for New Guarantee: To assist the subsidiary in obtaining operating funds

3. Collateral Provided by Guaranteed Entity: (1) Description: None (2) Value (in thousand NTD): 0

4. Latest Financial Statement of Guaranteed Entity: (1) Capital (in thousand NTD): 1,350,000 (2) Accumulated Profit/Loss (in thousand NTD): 42,450

5. Conditions for Release of Guarantee Liability: (1) Condition: Full repayment of credit agreement (2) Date: When all contractual obligations are fulfilled or the contract is terminated

6. Total Guarantee Limit (in thousand NTD): 83,330,088

7. Total Guarantee Balance as of Event Date (in thousand NTD): 25,691,150

8. Ratio of Guarantee Balance Provided by Company to Net Worth in Latest Financial Statement of Public Company as of Event Date: 247.00%

9. Combined Ratio of Guarantee Balance, Long-Term Investment, and Fund Lending to Net Worth in Latest Financial Statement of Public Company as of Event Date: 60.00%

10. Other Disclosures: 1. Approved by the board of directors on July 23, 2026. 2. The company provides two endorsement guarantees: NT$1,300,000 thousand and NT$1,332,147 thousand. 3. One endorsement guarantee for Risheng Full Energy Co., Ltd. (NT$850,000 thousand) has been canceled. 4. Due to partial non-revolving limits, the guarantee balance decreases over time.