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

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

Shanghai Stock Exchange
2025/08/29

Securities code: 603707 Securities abbreviation: Jianyou Shares Announcement number: 2025-069 Bond code: 113579 Bond abbreviation: Jianyou Convertible Bonds

Nanjing Jianyou Biochemical Pharmaceutical 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 bear individual and joint liability for the authenticity, accuracy and completeness of its contents.

Important content reminder:

 Meeting time: September 10, 2025 (Wednesday) 10:00-11:00 am

 Meeting place: Shanghai Stock Exchange Roadshow Center (website:

https://roadshow.sseinfo.com/)

 Meeting theme: 2025 Semi-annual Results Briefing Meeting

Meeting method: SSE Roadshow Center video combined with online text interaction

 Investors can log in to the homepage of the SSE Roadshow Center website before 16:00 on September 3, 2025 (Wednesday) to September 9 (Tuesday) and click on the "Question Pre-Collection" column or ask questions through the company email [email protected]. The company will answer questions of common concern to investors at the briefing.

Nanjing Jianyou Biochemical Pharmaceutical Co., Ltd. (hereinafter referred to as the "Company") released the company's 2025 semi-annual report on August 29, 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 the company's 2025 semi-annual performance briefing on September 10, 2025 (Wednesday) at 10:00-11:00 am to communicate on issues of concern to investors.

1. Type of briefing session

This investor briefing will be held in the form of online text interaction. The company will interact and communicate with investors on the specific situation of 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: 10:00-11:00 am on September 10, 2025 (Wednesday)

(2) Meeting location: Shanghai Securities Roadshow Center

(3) Meeting method: SSE Roadshow Center video combined with online text interaction

3. Participants

Chairman and General Manager: Tang Yongqun

Secretary of the Board of Directors: Huang Xiwei

Financial Director: Qian Xiaojie

Independent Director: Cui Guoqing

In case of special circumstances, the number of participants will be adjusted

4. How to participate as an investor

(1) Investors can log in to the SSE Roadshow Center (https://roadshow.sseinfo.com/) via the Internet from 10:00-11:00 am on September 10, 2025 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 3, 2025 (Wednesday) to September 9 (Tuesday), click on the "Question Pre-Collection" column (https://roadshow.sseinfo.com/questionCollection.do), and select this event according to the event time or via the company's email [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: 025-86990789

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 (https://roadshow.sseinfo.com/).

Announcement is hereby made.

Board of Directors of Nanjing Jianyou Biochemical Pharmaceutical Co., Ltd.

August 29, 2025