Nanhua Instrument: Controlling shareholder Yang Yaoguang reduces holdings by 0.80%, equity changes touch the 1% threshold.

Announcement from Nanhua Instruments: The company's controlling shareholder and actual controller, Yang Yaoguang, reduced his holdings in the company by 1.077 million shares through block trading on June 16, 2026, accounting for 0.80% of the total share capital of the company. His direct shareholding ratio decreased from 12.35% to 11.55%. After this reduction, the total holdings of Yang Yaoguang and his concerted actors Ye Shujuan and Yang Weiguang decreased from 29.3107 million shares to 28.2337 million shares, and the total shareholding ratio decreased from 21.78% to 20.98%, triggering a change in equity exceeding the 1% threshold. This reduction is in line with the previously disclosed reduction plan, which has not yet been fully implemented.