The board of directors of China Polymetallic Mining Limited announced that Mr. Miu Edward Kwok Chi has retired as an independent non-executive Director of the company and has ceased to be interim non-executive chairman of the Board (the 'interim non-executive Chairman') and a member of the Audit Committee, Nomination and Remuneration Committee, Safety, Health and Environment Committee of the Company upon expiry of his service contract on 13 December 2017. The Board has not received any notice of disagreement with the Board from Mr. Miu and there are no other matters in relation to his retirement that need to be brought to the attention of the shareholders of the Company. The Board announces that following the resignation of Mr. Miu as the interim non-executive Chairman, Mr. Yin Bo, a non-executive Director, be appointed as the chairman of the Company with effect from 14 December 2017. The Board hereby further announced changes in composition of the Board committees. With effect from 14 December 2017, the Audit Committee shall comprise Mr. Ma Shirong as its chairman, and Mr. Chan Suk Ching as its member. With effect from 14 December 2017, the Nomination and Remuneration Committee shall comprise Mr. Chi Hongji as its chairman, and Mr. Yin and Mr. Ma as its members. With effect from 14 December 2017, the Safety, Health and Environment Committee shall comprise Mr. Lei Dejun as its chairman, and Mr. Zhang Yonghua and Mr. Chi as its members.