Shanghai Junshi Biosciences Co., Ltd. Announcement on Holding the 2025 Annual Performance Presentation

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Security code: 688180 Stock abbreviation: Junshi Biosciences Announcement No.: Lin 2026-021

Shanghai Junshi Biosciences Pharmaceutical Technology Co., Ltd.

Announcement on Convening the 2025 Performance Briefing

The board of directors of the Company and all of its directors guarantee that there are no false records, misleading statements or material omissions in the contents of this announcement, and assume legal responsibility for the truthfulness, accuracy and completeness of its contents.

Key Matters:

● Meeting time: March 27, 2026 (Friday) 10:00-11:00

● Meeting location: Shanghai Stock Exchange SSE Roadshow Center (

● Meeting manner: Network interaction via SSE Roadshow Center

● Investors may submit questions before 16:00 on March 26, 2026 (Thursday) by logging in to the homepage of the SSE Roadshow Center and clicking the “Question Pre-collection” section, or by emailing the Company (hereinafter referred to as “the Company”) at info@junshipharma.com. The Company will answer questions that investors generally care about at the briefing.

The Company has disclosed its 2025 annual report on March 14, 2026 on the website of the Shanghai Stock Exchange (www.sse.com.cn). In order to help the vast number of investors gain a more comprehensive and in-depth understanding of the Company’s operating results and financial position for 2025, the Company plans to hold the 2025 performance briefing from 10:00 to 11:00 on March 27, 2026, to exchange views on issues of concern to investors.

I. Type of Briefing

This investor briefing will be held in the form of online text interaction. The Company will interact and communicate with investors regarding the specific circumstances of the operating results and financial indicators for 2025, and, within the scope permitted for information disclosure, answer questions that investors generally care about.

II. Time, Manner, and Location of the Briefing

(I) Meeting time: March 27, 2026 (Friday) 10:00-11:00

(II) Meeting location: SSE Roadshow Center (

(III) Meeting manner: Network interaction via SSE Roadshow Center

III. Participants

Participants in this briefing include: Ms. Zou Jianjun, Executive Director, General Manager, Chief Executive Officer, and Core Technical Personnel; Mr. Zhang Chun, Independent Non-Executive Director; Mr. Xu Baohong, Chief Financial Officer; and Mr. Wang Zhengyu, Secretary of the Board of Directors. (If there are special circumstances, the participants attending may be adjusted.)

IV. Investor Participation Methods

(I) Investors may, from 10:00 to 11:00 on the morning of March 27, 2026 (Friday), log in to the SSE Roadshow Center via the Internet (, and participate online in this performance briefing. The Company will promptly answer investors’ questions.

(II) Investors may, before 16:00 on March 26, 2026 (Thursday), log in to the homepage of the SSE Roadshow Center, click the “Question Pre-collection” section (

V. Contact Persons and Consultation Methods

Contact department: Securities Department

Telephone: 021-61058800-1153

Contact email: info@junshipharma.com

VI. Other Matters

After this investor briefing is held, investors may view the status of the briefing and the main contents via the SSE Roadshow Center (.

Announcement is hereby given.

Shanghai Junshi Biosciences Pharmaceutical Technology Co., Ltd.

Board of Directors

March 21, 2026

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