Announcement on Estimated Increase in Operating Results for the Year 2021

Announcement in relation to Guiding Opinion on the Work for the Year 2022 of the Company

Announcement on the Implementation of the Repurchase and Cancellation of the Restricted A Shares under the Incentive Scheme

Monthly Return of Equity Issuer on Movements in Securities for the Month Ended 31 December 2021

Announcement in relation to the Completion of Construction and Commencement of Production of Phase 1 of Julong Copper in Tibet

Announcement in relation to the Investment in the Shares of Jiayou International

Next Day Disclosure Return

Announcement in relation to Results of the Grant of the Reserved Portion under the Restricted A Share Incentive Scheme for 2020

Monthly Return of Equity Issuer on Movements in Securities for the Month Ended 30 November 2021

Verification Opinion of the Supervisory Committee and Notification on the Participant List of the Reserved Portion of Restricted A Share Incentive Scheme for 2020

Announcement in relation to Absorption and Merger of Wholly-owned Subsidiaries and Change in the Main Implementation Entity of One of the Projects to be Invested by the Proceeds Raised

Verification Opinion of Essence Securities Co., Ltd. on Absorption and Merger of Subsidiaries and Change in the Main Implementation Entity of One of the Projects to be Invested by the Proceeds Raised of the Company