Stock code: 688065 Stock abbreviation: Cathay Biotech Announcement No.: 2024-052

Shanghai Cathay Biotechnology Co., Ltd

About participating in the 2024 Investors of Listed Companies in Shanghai

Announcement of the Online Collective Reception Day and Interim Report Performance Briefing

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

In order to further strengthen the interaction with investors, Shanghai Cathay Biotechnology Co., Ltd. (hereinafter referred to as the "Company") will participate in the "2024 Collective Reception Day for Investors of Listed Companies in Shanghai Jurisdiction and Interim Results Briefing" jointly organized by the Shanghai Association of Listed Companies and Shenzhen Panorama Network Co., Ltd., and the relevant matters are hereby announced as follows:

The event will be held remotely online, investors can log on to the "Panorama Roadshow" website (https://rs.p5w.net/html/143790.shtml), or follow the WeChat public account: Panorama Finance,

Or download the Panorama Roadshow app to participate in this interactive exchange, which will be live-streamed on September 13, 2024 (week

5) 14:00-16:30. At that time, the company's senior executives will communicate and exchange with investors online on the company's 2024 interim results, corporate governance, development strategy, operating conditions, financing plans, equity incentives and sustainable development, and welcome investors to participate.

The announcement is hereby made.

Shanghai Cathay Biotechnology Co., Ltd

September 10, 2024