HaiGuang Announces Renewal of Endorsement Guarantee for Subsidiary in Compliance with Article 25, Paragraph 1, Clause 3 of the 'Funds Lending and Endorsement Guarantee Handling Standards' for Publicly Issued Companies (Renewal upon Expiration of Original Limit)

1. Event Date: 115/08/05 2. Endorsed Party: (1) Company Name: Zhengtong Environmental Technology Co., Ltd. (2) Relationship with Guarantee Provider: Parent-subsidiary (a direct subsidiary in which our company holds 86.67% of shares) (3) Guarantee Limit (in thousand NTD): 383,186 (4) Previous Guarantee Balance (in thousand NTD): 290,000 (5) Additional Guarantee Amount This Time (in thousand NTD): 35,000 (6) Total Guarantee Balance as of Event Date (in thousand NTD): 325,000 (7) Actual Drawdown Amount by Endorsed Company (in thousand NTD): 240,000 (8) Reason for Additional Guarantee: Operational needs (renewal upon expiration of original limit) 3. Collateral Provided by Endorsed Company: (1) Description: Machinery and equipment (2) Value (in thousand NTD): 95,000 4. Latest Financial Statement of Endorsed Company: (1) Capital (in thousand NTD): 220,000 (2) Accumulated Profit/Loss (in thousand NTD): -34,422 5. Conditions for Release of Guarantee Liability: (1) Terms: As stipulated in the credit agreement (2) Date: As stipulated in the credit agreement 6. Total Guarantee Limit (in thousand NTD): 766,373 7. Total Guarantee Balance as of Event Date (in thousand NTD): 325,000 8. Ratio of Guarantee Balance Provided by A to Net Asset Value in the Most Recent Financial Statement of the Publicly Issued Company as of Event Date: 8.48 9. Combined Ratio of Guarantee Balance, Long-term Investments, and Funds Lent to Net Asset Value in the Most Recent Financial Statement of the Publicly Issued Company as of Event Date: 49.66 10. Other Matters to be Disclosed: This additional endorsement guarantee results from the renewal of the original credit agreement expiring on August 5, 115. The original guarantee of NT$35,000 thousand was canceled upon maturity, and a new guarantee of the same amount was issued. Therefore, the outstanding guarantee balance after renewal remains at NT$290,000 thousand.