Jiuqiang Biotech: Announcement on Obtaining Medical Device Registration Certificate

Securities code: 300406 Securities abbreviation: Jiuqiang Biotech Announcement number: 2025-091 Bond code: 123150 Bond abbreviation: Jiuqiang Convertible Bonds

Beijing Jiuqiang Biotechnology Co., Ltd.

Announcement on Obtaining Medical Device Registration Certificate

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete, and contains no false records, misleading statements or major omissions.

Beijing Jiuqiang Biotechnology Co., Ltd. (hereinafter referred to as the "Company") recently received the "Medical Device Registration Certificate" issued by the Beijing Municipal Food and Drug Administration. The details are as follows:

Register

Serial number Product name Registration certificate number Registration certificate validity period Intended use

Category

N-terminal pro-brain natriuretic peptide This kit is used for in vitro quantitative body measurement kit (magnetic micro-King Mechanical Note Validity period from the date of approval) Determination of N 1 Ⅱ in human serum or plasma

The content of terminal brain natriuretic peptide precursor (NT-proBNP) from 20252400875 to October 14, 2030.

The acquisition of medical device registration certificates for the above products has enriched the company's product categories. Obtaining a medical device registration certificate will help enhance the company's core competitiveness and have a positive impact on the company's future development, but it will not have a significant impact on recent production operations and performance. Investors are advised to pay attention to the risks.

Announcement is hereby made.

Beijing Jiuqiang Biotechnology Co., Ltd.

board of directors

October 20, 2025