Jiuqiang Bio: Announcement on holding an online briefing on 2025 annual results

Securities code: 300406 Securities abbreviation: Jiuqiang Biotech Announcement number: 2026-041 Bond code: 123150 Bond abbreviation: Jiuqiang Convertible Bonds

Beijing Jiuqiang Biotechnology Co., Ltd.

Announcement on holding an online briefing on 2025 annual results

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.

The 2025 annual report and summary of Beijing Jiuqiang Biotechnology Co., Ltd. (hereinafter referred to as the "Company") have been reviewed and approved at the 24th meeting of the fifth board of directors of the company. For details, please see the "2025 Annual Report" and "2025 Annual Report Summary" disclosed on the cninfo.com (http://www.cninfo.com.cn) on April 27, 2026.

In order to facilitate investors to have a more in-depth and comprehensive understanding of the company's operations, the company is scheduled to hold the 2025 annual performance briefing on May 15, 2026 (Friday) from 15:00 to 17:00 on Panoramic.com. This annual performance briefing will be held remotely via the Internet. Investors can log in to Panoramic.com's "Investor Relations Interactive Platform" (https://ir.p5w.net) to participate in this annual performance briefing.

Personnel attending this briefing include: Chairman of the Company Mr. Zou Zuojun, Chief Financial Officer Mr. Liu Wei, Secretary of the Board of Directors Mr. Wang Jianmin, and Independent Director Mr. Yang Jianping.

In order to fully respect investors and improve the pertinence of communication, we are now publicly soliciting questions from investors in advance for the company's 2025 annual performance briefing meeting to widely listen to investors' opinions and suggestions. Investors can visit https://ir.p5w.net/zj/, or scan the QR code below to enter the special question collection page. The company will answer questions of common concern to investors at the 2025 performance briefing.

Investors are welcome to actively participate in this online briefing.

(QR code on the special page of question collection, scan the code to automatically match the mobile terminal)

Announcement is hereby made.

Board of Directors of Beijing Jiuqiang Biotechnology Co., Ltd.

April 27, 2026