Announcement on the Completion of Specific Shareholder's Share Reduction Plan

Guangdong Guangkang Biochemical Technology Co., Ltd. (hereinafter referred to as "the Company") disclosed the "Pre-disclosure Announcement on Specific Shareholder's Share Reduction" (Announcement No.: 2026-004) on February 12, 2026, on the Giant Tide Information Network (www.cninfo.com.cn). The shareholder, Ruihong Kaiyin No. 1 Equity Investment Fund Partnership (Limited Partnership) (hereinafter referred to as "Ruihong Kaiyin No. 1"), planned to reduce its holdings of the Company’s shares by no more than 1,980,000 shares, accounting for no more than 2.6757% of the total share capital, within three months starting from three trading days after the announcement of the reduction plan (i.e., from February 25, 2026, to May 24, 2026) through centralized bidding or block trading. On February 27, 2026, the Company received a notice from the aforementioned shareholder regarding the completion of the share reduction plan. As of February 26, 2026, the share reduction plan has been completed, and the specific implementation details are announced as follows: