Shuangjian Announces Filing of Second Domestic Secured Convertible Corporate Bond with China's CSRC

1. Date of Event: 2026/08/06 2. Company Name: Shuangjian Chemical Co., Ltd. 3. Relationship to Company (please enter 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: In response to the 'Trial Measures for the Administration of Overseas Issuance of Securities and Listing by Domestic Enterprises' issued by the China Securities Regulatory Commission (hereinafter referred to as the 'Trial Measures'). 6. Response Measures: Due to the issuance of the second domestic secured convertible corporate bond, the Company has filed with the CSRC on 2026/08/06 in compliance with the provisions of the Trial Measures. 7. Other Matters to be Disclosed (if the entity involved in the event or resolution is a publicly issued company or above, this major information also qualifies as a matter having significant impact on shareholders' rights or securities prices under Article 7, Paragraph 9 of the Enforcement Rules of the Securities Trading Act): None Keywords: Major Information