601020: announcement of Huayu mining on investigation progress and risk warning

Securities code: 601020 securities abbreviation: St Huayu Announcement No.: Lin 2022-003 convertible bond Code: 113027 convertible bond abbreviation: Huayu convertible bond

Tibet Huayu Mining Co.Ltd(601020)

Announcement on the progress of case filing and investigation and risk warning

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear individual and joint liabilities for the authenticity, accuracy and completeness of its contents. 1、 Progress of case filing and investigation

Tibet Huayu Mining Co.Ltd(601020) (hereinafter referred to as “the company”) received the notice of filing (Zheng Jian Li Jian Li Jian Zi No. 0322021002, Zheng Jian Li Jian Li Jian Zi No. 0322021001) and the notice of investigation issued by the Tibet regulatory bureau of China Securities Regulatory Commission (hereinafter referred to as “Tibet securities regulatory Bureau”) to the company and Tibet Daoheng Investment Co., Ltd. (hereinafter referred to as “Daoheng investment”) on September 15, 2021 (zjzz No. 0322021003 and zjzz No. 0322021004), the company and Dao Heng Investment failed to perform their disclosure obligations in time due to information disclosure matters such as related parties and related transactions, and were suspected of illegal information disclosure. According to the securities law of the people’s Republic of China, the administrative punishment law of the people’s Republic of China and other laws and regulations, Tibet securities regulatory bureau decided to file a case against the company and Daoheng investment and investigate the relevant situation. For details, please refer to the company’s website (www.sse. Com. CN.) on September 17, 2021, October 21, 2021, November 17, 2021 and December 17, 2021 And the announcement of Tibet Huayu Mining Co.Ltd(601020) on receiving the filing notice and investigation notice (Announcement No.: Lin 2021-087), the announcement of Tibet Huayu Mining Co.Ltd(601020) on filing investigation progress and risk warning (Announcement No.: Lin 2021-103) published in the designated newspapers and media of the company Announcement of Tibet Huayu Mining Co.Ltd(601020) on the progress of case filing investigation and risk warning (Announcement No.: Lin 2021-113) and announcement of Tibet Huayu Mining Co.Ltd(601020) on the progress of case filing investigation and risk warning (Announcement No.: Lin 2021-120).

The company received the advance notice of administrative punishment ([2021] No. 3) from Tibet Securities Regulatory Bureau on December 30, 2021. For details, the company published it on the website of Shanghai Stock Exchange (www.sse. Com. CN.) on December 31, 2021 And the announcement of Tibet Huayu Mining Co.Ltd(601020) on receiving the advance notice of administrative punishment from Tibet securities regulatory bureau of China Securities Regulatory Commission (Announcement No.: Lin 2021-123) published in the newspapers and media designated by the company.

As of the disclosure date of this announcement, the company has not received the final conclusive decision on the above matters for investigation. 2、 Risk tips

As of the disclosure date of this announcement, the production and operation of the company is normal. The prior notice of administrative punishment received by the company does not touch the major illegal compulsory delisting in the stock listing rules of Shanghai Stock Exchange.

The company will pay close attention to the follow-up progress and perform the obligation of information disclosure in strict accordance with relevant requirements. China Securities News, Shanghai Securities News, securities times, securities daily and the website of Shanghai Stock Exchange( http://www.sse.com.cn. )Designated information disclosure media for the company. The relevant information of the company shall be subject to the announcement published or issued by the company in the above media. Please invest rationally and pay attention to investment risks.

It is hereby announced.

Tibet Huayu Mining Co.Ltd(601020) board of directors January 17, 2022

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