Qinghai Jinrui Mining Development Co., Ltd. Announcement on the Release of Pledged Shares by the Controlling Shareholder

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Stock Code: 600714 Stock Abbreviation: Jinrui Mining Number: Lin2026-011

Qinghai Jinrui Mining Development Co., Ltd. Announcement on the Unblocking of Part of the Shares Held by the Controlling Shareholder

The company’s board of directors and all directors guarantee that this announcement contains no false records, misleading statements, or major omissions, and assume legal responsibility for its truthfulness, accuracy, and completeness.

Key Highlights:

● As of the date of this announcement, the company’s controlling shareholder, Qinghai Investment Group Co., Ltd. (hereinafter referred to as “Qinghai Investment”), holds 86,418,507 shares of the company, accounting for 29.99% of the total share capital. The shares unblocked this time amount to 74,265,241 shares, representing 85.94% of its holdings and 25.77% of the total share capital. After the unblocking, Qinghai Investment’s remaining pledged shares are 12,153,266, accounting for 14.06% of its holdings and 4.22% of the total share capital.

Qinghai Jinrui Mining Development Co., Ltd. (hereinafter referred to as “the Company”)'s controlling shareholder, Qinghai Investment, pledged 74,265,241 unrestricted circulating shares of the company to Zhong Cheng Trust Co., Ltd. in 2017. In 2022, according to the “Restructuring Plan of Qinghai Investment Group Co., Ltd. and Seventeen Other Enterprises” and the “Debt Retention Agreement,” the pledgee of these shares was changed to Jining Bank Co., Ltd., with the main debt repayment period extended to 8 years (from December 25, 2021, to December 26, 2029) (see the company’s Announcement No. 2022-042).

On March 18, 2026, the company received the “Notice of Unblocking of Securities Pledge Registration” issued by China Securities Depository and Clearing Co., Ltd., confirming that all pledged shares have been unblocked. Details are as follows:

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The shares unblocked by Qinghai Investment this time will be used for subsequent pledge financing based on its own capital arrangements. The company will continue to monitor Qinghai Investment’s pledge situation and fulfill its information disclosure obligations in a timely manner according to relevant regulations.

This announcement is hereby made.

Board of Directors of Qinghai Jinrui Mining Development Co., Ltd.

March 19, 2026

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