Notice of Results

25 February 2010

KAZAKHMYS PLC ANNOUNCES NOTICE OF TRADING UPDATE & PRELIMINARY RESULTS FOR THE YEAR ENDED 31 DECEMBER 2009

Kazakhmys PLC will announce its Trading Update for the year ended 31 December 2009 on Thursday 4 March 2010 at 7.00am (London time).

The Trading Update will provide operational and financial results for the Group's managed businesses but will not include the contribution from ENRC PLC, in which Kazakhmys holds a 26% interest.

ENRC PLC is announcing its annual results on Wednesday 24 March 2010 and, on Tuesday 30 March 2010, Kazakhmys will release a consolidated Preliminary Results announcement including equity accounted earnings from ENRC PLC.

A presentation for analysts will be held in the Presentation Suite at J.P. Morgan, 10 Aldermanbury, London EC2V 7RF at 9.00am (London time) on Thursday 4 March 2010.

For further information please contact:

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Kazakhmys PLC is a leading international natural resources group with significant interests in copper, gold, zinc, silver, power generation and petroleum.

It is the largest copper producer in Kazakhstan and one of the top ten worldwide with 15 operating mines, 10 concentrators and 2 copper smelters. Kazakhmys Copper operations are fully integrated from mining ore through to the production of finished copper cathode and rod. Total copper cathode equivalent produced in 2009 from own ore was 320 thousand tonnes. Production is backed by a captive power supply and significant rail infrastructure.

Kazakhmys Copper produces significant volumes of other metals, including zinc, silver and gold. In 2009, it produced 150 thousand tonnes of zinc in concentrate. The Group is in the top ten largest silver producers in the world (17 million ounces produced in 2009).

Kazakhmys Gold, which acquired Eurasia Gold Inc in July 2007, includes substantial new development and exploration opportunities. The Group produced 180 thousand ounces of gold in 2009 and has measured and indicated resources of 2.3 million ounces.

Kazakhmys Power owns the coal fired Ekibastuz GRES-1 plant, the largest in Kazakhstan with a nameplate capacity of 4,000 MW. In addition, it owns the Maikuben open cast coal mine, supplying around a quarter of the power plant's fuel requirements producing over 3.7 million tonnes of coal in 2009.

Kazakhmys Petroleum is continuing its work programme at the East Akzhar exploration block, located on the eastern fringe of the Caspian depression, which was acquired in April 2007.

Kazakhmys also owns MKM, an upstream copper products fabrication company in Germany, which produces a range of pre- and semi-finished copper and copper alloy products.

The Group is part of the FTSE-100 index of companies listed on the London Stock Exchange and is also listed on the Kazakhstan Stock Exchange (KASE). It had revenues of $5.2 billion in 2008 with EBITDA of $2.0 billion. The Group employs some 67,000 people, principally in Kazakhstan. The Group's strategic aim is to diversify and participate in the development of the significant natural resource opportunities in Central Asia.