Guangkang Biochemical: Specific shareholder reduces holding of 10,200 shares.

Guangkang Biochemical Announcement: Shareholder Huatuo Zhiyuan No. 3 sold 10,200 shares through centralized auction trading on November 3, 2025, accounting for 0.0138% of the total share capital. After the sale, the shareholding ratio of Huatuo Zhiyuan No. 3 decreased from 0.6022% to 0.5884%. Huatuo Zhiying No. 2 did not sell any shares during the divestment period.