/-- Announcement on Convening the 2025 Semi-annual Performance Briefing
NEWS

-- Announcement on Convening the 2025 Semi-annual Performance Briefing

Shanghai Stock Exchange
2025/09/24

Securities code: 688068 Securities abbreviation: Rejing Biotechnology Announcement number: 2025-062

Beijing Rejing Biotechnology Co., Ltd.

Announcement on Convening the 2025 Semi-annual Results 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 in accordance with the law.

Important content reminder:

 Meeting time: October 10, 2025 (Friday) 16:00-17:00

 Meeting location: Shanghai Stock Exchange Roadshow Center (Website: https://roadshow.s seinfo.com/)

Meeting method: Shanghai Securities Roadshow Center online interaction

 Investors can log in to the homepage of the Shanghai Securities Roadshow Center website before 16:00 on September 25, 2025 (Thursday) to October 9 (Thursday) and click on the "Question Pre-Solicitation" column or ask questions through the company's email hotgen@ hotgen.com.cn. The company will answer questions of common concern to investors at the briefing.

Beijing Rejing Biotechnology Co., Ltd. (hereinafter referred to as the "Company") has released the company's 2025 semi-annual report on August 30, 2025. In order to facilitate investors to have a more comprehensive and in-depth understanding of the company's 2025 semi-annual operating results and financial status, the company plans to hold a 2025 semi-annual performance briefing on October 10, 2025 (Friday) 16:00-17:00 to communicate on 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 2025, and answer questions of common concern to investors within the scope permitted by information disclosure.

2. Time and place of the briefing meeting

(1) Meeting time: October 10, 2025 (Friday) 16:00-17:00

(2) Meeting location: Shanghai Securities Roadshow Center

(3) Meeting method: SSE Roadshow Center online interaction

3. Participants

Chairman and General Manager: Mr. Lin Changqing

Secretary of the Board of Directors and Deputy General Manager: Mr. Shi Yongzhan

Financial Director: Mr. Xie Zhongchao

Independent Director: Mr. Song Yunfeng

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 16:00-17:00 on October 10, 2025 (Friday) 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 SSE Roadshow Center website before 16:00 on September 25, 2025 (Thursday) to October 9 (Thursday), click on the "Question Pre-Collection" column (https://roads how.sseinfo.com/questionCollection.do), and select this event according to the event time or email the company at [email protected] Ask the company questions and the company will answer questions of common concern to investors at the briefing.

5. Contact person and consultation method

Contact person: Securities Department

Tel: 010-50986527

Email: [email protected]

6. Other matters

After this investor briefing is held, investors can visit the Shanghai Stock Exchange Roadshow Center

(https://roadshow.sseinfo.com/) View the convening status and main content of this investor briefing.

Announcement is hereby made.

Beijing Rejing Biotechnology Co., Ltd.

September 24, 2025