The board of directors of China Polymetallic Mining Limited together with its subsidiaries announced that Mr. CHOI, Tat Ying Jacky has been appointed as an executive director of the company with effect from 15 May 2017. Mr. Choi, aged 48, is a practicing member of the Hong Kong Institute of Certified Public Accountants, and currently the managing director of Aviation Capital Partners Limited. Mr. Choi has 26 years of professional experience in corporate management, financial and treasury management, corporate financing, capital markets, investments, mergers and acquisitions, and auditing. Mr. Choi served as the chief financial officer of Hong Kong Mercantile Exchange Limited from 2009 to 2014.