KAZAKHMYS PLС (United Kingdom) buys back 108,000 common shares GB00B0HZPV38 (GB_KZMS) from Citigroup Global Markets U.K. Equity Limited December 8, 2011

/KASE, December 12, 11/ - KAZAKHMYS PLС (London), shares of which are officially listed on Kazakhstan Stock Exchange (KASE), provided to KASE the following information: quotation Kazakhmys PLC announces that on 8 December 2011 it purchased from Citigroup Global Markets U.K. Equity Limited 108,000 ordinary shares at an average price of 950.8658 pence per share. The highest price paid was 976.5 pence per share and the lowest price paid was 919.5 pence per share. The purchased shares will be held as treasury shares. Following the above purchase, Kazakhmys PLC holds 4,402,168 ordinary shares in treasury and has 531,015,793 ordinary shares in issue (excluding treasury shares). Kazakhmys PLC Investor Relations John Smelt +44 (0)20 7901 7882 john.smelt@kazakhmys.com Merlin David Simonson +44 (0)20 7726 8400 Hill & Knowlton Hong Kong K. W. Lam +852 28 946 321 ends [2011-12-12]