Tibet Huayu Mining Co., Ltd. Announcement of Suspension of Trading Due to Planning of Control Rights Change

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Stock code: 601020 Stock abbreviation: Huayu Mining Industry Announcement No.: Lin 2026-010

Tibet Huayu Mining Industry Co., Ltd.

Notice of Suspension of Trading While Planning a Change in Control

The board of directors of this company and all directors hereby guarantee that this announcement contains no false records, misleading statements or material omissions, and assume legal responsibility for the truthfulness, accuracy and completeness of the contents.

Key Matters for Attention:

● Details of the Issuer’s Suspension and Resumption of Trading: Applicable

Tibet Huayu Mining Industry Co., Ltd. (hereinafter referred to as the “Company”)’s controlling shareholder, Tibet Daoheng Investment Co., Ltd. (hereinafter referred to as “Daoheng Investment”), is currently planning the transfer of the Company’s shares by agreement. This matter may result in a change in the Company’s control. At present, Daoheng Investment and the counterparty are actively推进本次交易的相关工作, given that this matter involves uncertainty, the Company’s securities suspension and resumption status is as follows:

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On April 2, 2026, the Company received a notice from the Company’s controlling shareholder, Daoheng Investment. Daoheng Investment is planning the transfer of the Company’s shares by agreement, and this matter may result in a change in the Company’s control.

Given that the above matters are currently under discussion and still involve uncertainty, in order to ensure fair information disclosure, safeguard the interests of investors, and avoid abnormal fluctuations in the Company’s stock price, in accordance with the provisions of the《Shanghai Stock Exchange Listing Rules》 and the 《Guidelines for Self-regulation of Listed Companies of the Shanghai Stock Exchange No. 4—Suspension and Resumption of Trading》等 relevant regulations, upon the Company’s application, the Company’s stock (Stock code: 601020, Stock abbreviation: Huayu Mining Industry) will be suspended from trading starting from the opening of the market on April 3, 2026 (Friday). The expected suspension period shall not exceed 5 trading days.

During the suspension period, the Company will, in strict accordance with the relevant laws, regulations and requirements, fulfill its information disclosure obligations based on the progress of the above matters. After the above matters are determined, the Company will promptly publish the relevant announcements and apply for the resumption of trading of the Company’s stock. The Company’s designated information disclosure media are 《China Securities Journal》, 《Shanghai Securities News》, 《Securities Times》, 《Securities Daily》 and the website of the Shanghai Stock Exchange (www.sse.com.cn). All information of the Company shall be subject to the announcements published on the designated media. The major matters under planning above still involve uncertainty. Investors are kindly requested to pay attention to the Company’s subsequent announcements and to be aware of investment risks.

Notice is hereby given.

Board of Directors of Tibet Huayu Mining Industry Co., Ltd.

April 3, 2026

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