Announcement on Participating in the 2026 Semi-annual Collective Performance Briefing for the STAR Market Innovative Drug Industry

Securities code: 688759 Securities abbreviation: Bibet Announcement number: 2026-029

Guangzhou Bibet Pharmaceutical Co., Ltd.

About participating in the 2026 Semi-annual Innovative Drug Industry on the Science and Technology Innovation Board

Announcement of collective performance briefing meeting

The company's board of directors and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements or major omissions, and assume legal responsibility for the authenticity, accuracy and completeness of its contents.

Important content reminder:

 Meeting time: September 16, 2026 (Wednesday) 15:00-17:00

 Meeting place: SSE Roadshow Center (website: https://roadshow.sseinfo.com/)  Meeting method: SSE Roadshow Center online interaction

 Investors can log in to the homepage of the Shanghai Securities Roadshow Center website before 16:00 on September 9, 2026 (Wednesday) to September 15 (Tuesday) and click on the "Pre-Solicitation for Questions" column or ask questions through the company's email address [email protected]. The company will answer questions of common concern to investors at the briefing.

Guangzhou Bibet Pharmaceutical Co., Ltd. (hereinafter referred to as the "Company") released the company's 2026 semi-annual report on August 25, 2026. In order to facilitate investors to have a more comprehensive and in-depth understanding of the company's 2026 semi-annual operating results and financial status, the company plans to participate in the Science and Technology Innovation Board on September 16, 2026 (Wednesday) 15:00-17:00 The collective performance briefing meeting of the innovative drug industry for the first half of 2026 will be held to discuss issues of concern to investors.

1. Type of briefing session

This investor briefing will be held in an interactive online format. The company will interact and communicate with investors on the specific operating results and financial indicators for the first half of 2026, and answer questions of common concern to investors within the scope permitted by information disclosure.

2. Time and method of holding briefing meeting

(1) Meeting time: 15:00-17:00 on September 16, 2026

(2) Meeting location: Shanghai Securities Roadshow Center

(3) Meeting method: Shanghai Securities Roadshow Center online interaction

3. Participants

Chairman and General Manager: Mr. QIAN CHANGGENG

Independent Director: Mr. Tian Yongquan

Secretary of the Board of Directors and Chief Financial Officer: Mr. Zhang Tianyi

(Participants may make adjustments if there are special circumstances)

4. How to participate as an investor

(1) Investors can log in to the SSE Roadshow Center (https://roadshow.sseinfo.com/) through the Internet at 15:00-17:00 on September 16, 2026 (Wednesday) to participate in this performance briefing online. The company will answer investors' questions in a timely manner.

(2) Investors can log in to the homepage of the Shanghai Stock Exchange Roadshow Center website from September 9, 2026 (Wednesday) to September 15 (Tuesday) before 16:00, and click on the "Ask a Question Pre-Solicitation" column Project (https://roadshow.sseinfo.com/preCallQa), according to the event time, select this event or ask the company questions through the company email [email protected]. The company will answer questions of common concern to investors at the briefing meeting.

5. Contact person and consultation method

Contact person: Securities Investment Department of the Company

Contact number: 020-32038086

Email: [email protected]

6. Other matters

After this investor briefing is held, investors can check the status and main content of this investor briefing through the SSE Roadshow Center (http://roadshow.sseinfo.com/).

Announcement is hereby made.

Board of Directors of Guangzhou Bibet Pharmaceutical Co., Ltd.

September 9, 2026