The board of directors of China Polymetallic Mining Limited announced that each of Mr. Ma Shirong and Mr. Chi Hongji will be appointed as an independent non-executive Director with effect from 16 June 2017. Mr. Ma, aged 65, retired, served as the Vice President of CITIC Dameng Holdings Limited and the chief financial officer of CITIC Dameng Mining Co., Limited from November 2006 to May 2013 and was responsible for overseeing the financial operations of CITIC Dameng Mining. Prior to joining CITIC Dameng Mining, Mr. Ma had taken up management positions in a number of companies including airlines and bank. Mr. Chi, aged 65, retired, held various positions including geological officer, person in charge of projects, division director engineer and chief engineer in No. 1 Institute of Geology and Mineral Resources of Shandong Province from 1980 to 2005. With effect from 16 June 2017, changes to the Audit Committee are as follows: Mr. Ma will be appointed as the chairman of the Audit Committee; Mr. Miu Edward Kwok Chi, an independent non-executive Director, will be re-designated as a member of the Audit Committee; Mr. Chan Suk Ching, a non-executive Director, will be appointed as a member of the Audit Committee; and Mr. Lee Kenneth Jue, a non-executive Director, will cease to be a member of the Audit Committee. With effect from 16 June 2017, changes to the Nomination and Remuneration Committee are as follows: Mr. Chi will be appointed as the chairman of the Nomination and Remuneration Committee; Mr. Miu will be re-designated as a member of the Nomination and Remuneration Committee; Mr. Ma will be appointed as a member of the Nomination and Remuneration Committee; Mr. Yin Bo, a non-executive Director, will be appointed as a member of the Nomination and Remuneration Committee; and Mr. Lee will be appointed as a member of the Nomination and Remuneration Committee. With effect from 16 June 2017, changes to the Strategy Committee are as follows: Mr. Lei Dejun, an executive Director, will be appointed as a member of the Strategy Committee; Mr. Yin will be appointed as a member of the Strategy Committee; and Mr. Chan will be appointed as a member of the Strategy Committee. With effect from 16 June 2017, changes to the Safety, Health and Environment Committee are as follows: Mr. Lei will be appointed as the chairman of the Safety, Health and Environment Committee; Mr. Miu will be appointed as a member of the Safety, Health and Environment Committee; Mr. Chi will be appointed as a member of the Safety, Health and Environment Committee; and Mr. Lee will cease to be a member of the Safety, Health and Environment Committee.