Nanhua Instruments: Announcement on participating in the 2026 Guangdong District Investors Collective Reception Day and the Interim Report Performance Briefing Meeting of Listed Companies in the District

Securities code: 300417 Stock abbreviation: Nanhua Instruments Announcement number: 2026-036

Foshan Nanhua Instrument Co., Ltd.

About participating in the 2026 Guangdong District Investor Collective Reception Day

Announcement of the Interim Report Performance Briefing Session of Listed Companies in the Jurisdiction

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete, and contains no false records, misleading statements or major omissions.

In order to further strengthen interaction with investors, Foshan Nanhua Instrument Co., Ltd. (hereinafter referred to as the "Company") will participate in the "2026 Guangdong District Investor Collective Reception Day and Interim Report Performance Briefing Event of Listed Companies in the District" hosted by the Guangdong Supervision Bureau of the China Securities Regulatory Commission and the Guangdong Listed Companies Association, and co-organized by Shenzhen Panoramic Network Co., Ltd. The relevant matters are hereby announced as follows:

This event will be held remotely via the Internet. Investors can log in to the "Panorama Roadshow" website (http://rs.p5w.net); or follow the WeChat public account (name: Panorama Finance); or download the Panorama Roadshow APP to participate in this interactive exchange.

The event time is 15:30-17:00 on September 15, 2026 (Tuesday). At that time, the company's chairman Mr. Yang Yaoguang, general manager Mr. Su Qiyuan, secretary of the board of directors Ms. Wu Songying, financial director Ms. Zhou Liuzhu, independent directors Ms. Guo Jianhua and Mr. Yu Shanhu will communicate online with investors on the company's 2026 semi-annual performance, corporate governance, development strategy, operating conditions and other issues of concern to investors. Investors are welcome to participate!

In order to fully respect investors and improve the pertinence of communication, investors can visit http://ir.p5w.net/zj/ before 14:00 on September 15, 2026 (Tuesday) to enter the special page for question collection. The company will answer questions of common concern to investors at this collective reception day.

(QR code on the special page of question collection)

Announcement hereby!

Foshan Nanhua Instrument Co., Ltd. Board of Directors

September 8, 2026