The board of directors of Siberian Mining Group Company Limited received a written resignation letter dated 5 December 2017 from Mr. Su Run Fa as an executive director of the Company on 6 December 2017. Mr. Su's resignation will take effect immediately upon the company's receipt of his resignation letter as mentioned above and the approval of the Board on 6 December 2017. Upon his resignation, Mr. Su will no longer hold any position in the company and its subsidiaries.