Total Voting Rights

30 April 2012

Kazakhmys PLC ("the Company")

TOTAL VOTING RIGHTS

In conformity with the Disclosure and Transparency Rules ("the Rules"), the Company notifies the market of the following:

At the date of this announcement, the issued capital of the Company comprises 535,417,961 ordinary shares.

The Company currently holds 10,838,830 ordinary shares in treasury and the issued share capital of the Company which carries voting rights of one vote per share comprises 524,579,131 ordinary shares (excluding treasury shares).

The above figure of 524,579,131 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Rules.

For further information, please contact:

Robert Welch

Company Secretary

Tel: + 44 (0)20 7901 7831