Appointment of Group Chief Operating Officer

3 February 2011

Appointment of Group Chief Operating Officer

Kazakhmys PLC announces the appointment of Sergei Diachenko to the role of Group Chief Operating Officer. Sergei joined Kazakhmys in October 2010 as Technical Director. His promotion to Group Chief Operating Officer will include the day to day operational and technical management of the Group's activities, including health and safety.

Sergei is a mining graduate of the St Petersburg Mining Institute and the Russian Academy of Sciences and has an MBA from the Gordon Business Institute, Pretoria University. He has 25 years experience in mine management and development including with Rio Tinto and most recently as a Group General Manager at De Beers.

Oleg Novachuk, Chief Executive Officer said; "Sergei has made a significant impact on Kazakhmys in the few months that he has been with us and we are delighted that he has now stepped up to this new role. Sergei has a combination of skills and experience that will assist us to continue developing our operations, with a focus on improving both efficiency and safety."

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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 worldwide with 17 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 2010 from own ore was 303 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 2010, it produced 167 thousand tonnes of zinc in concentrate. The Group is in the top ten largest silver producers in the world (14 million ounces produced in 2010).

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 170 thousand ounces of gold in 2010.

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 optimise 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.