Great Central Mining: When the shareholding of shareholders holding more than 5% and their concerted actors changes by more than 1%.

Da Zhong Mining announced that on April 1, 2026, Mr. Liang Baodong increased his stake in the company by 20,000 shares through a centralized bidding transaction. After this equity change, Ms. Liang Xinyu, a shareholder holding more than 5% of the shares, and her concerted action person collectively hold 92,004,212 shares, accounting for 6.00126% of the total shares, with the equity change percentage reaching a multiple of 1%. This change will not lead to a change in control of the company, nor will it have a significant impact on the company's governance, ownership structure, or operations. Mr. Liang Baodong had a plan to reduce his stake earlier, and this increase was a mistake in operation.