Notice of Results

20 August 2010

NOTICE OF HALF-YEARLY RESULTS

FOR THE PERIOD ENDED 30 JUNE 2010

Kazakhmys PLC will announce its half-yearly results for the period ended 30 June 2010 on Thursday 26 August 2010 at 7.00am London time.

A presentation for analysts will be held in the Presentation Suite at JPMorgan, 10 Aldermanbury, London EC2V 7RF at 9.00am London time.

For further information please contact:

- ends -

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 16 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 149 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 new development and exploration opportunities. Kazakhmys Gold has measured and indicated gold equivalent resources of 2.5 million ounces. The Group produced 182 thousand ounces of gold in 2009.

Kazakhmys Power has a 50% interest in the coal fired Ekibastuz GRES-1 plant, the largest in Kazakhstan with a nameplate capacity of 4,000 MW.

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.

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 $3.7 billion in 2009 with EBITDA of $1.6 billion. The Group employs some 62,000 people, principally in Kazakhstan. The Group's strategic aim is to optimize its current operations, deliver its major growth projects and to diversify and participate in the development of the significant natural resource opportunities in Central Asia.