Bozymchak Temporary Suspension of Operations

2 November 2017

BOZYMCHAK TEMPORARY SUSPENSIOn OF OPERATIONS

KAZ Minerals PLC ("KAZ Minerals" or "the Group") announces that the Government of Kyrgyzstan has today suspended operations at Bozymchak, the Group's copper and gold mine in Kyrgyzstan, for a period of three months. The Group believes that Bozymchak is in compliance with its obligations and is in discussions with the relevant authorities to recommence operations as soon as possible.

Bozymchak produced 7 kt of copper cathode and 38 koz of gold bar in the year to 31 December 2016. The Group's 2017 copper production guidance remains 250-270 kt.

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KAZ Minerals PLC ("KAZ Minerals" or "the Group") is a high growth copper company focused on large scale, low cost, open pit mining in Kazakhstan. It operates the Bozshakol and Aktogay open pit copper mines in the Pavlodar and East regions of Kazakhstan, three underground mines and associated concentrators in the East Region of Kazakhstan and the Bozymchak copper-gold mine in Kyrgyzstan. In 2016, total copper cathode equivalent output was 140 kt with by-products of 75 kt of zinc in concentrate, 120 koz of gold bar equivalent and 3,103 koz of silver bar equivalent.

The Group's new operations at Bozshakol and Aktogay are delivering one of the highest growth rates in the industry and transforming KAZ Minerals into a company dominated by world class, open pit copper mines.

Bozshakol is a first quartile asset on the global cost curve with an annual ore processing capacity of 30 million tonnes and a mine life of 40 years at a copper grade of 0.36%. The mine and processing facilities will produce an average of 100 kt of copper and 120 koz of gold in concentrate per year over the first 10 years of operations.

Aktogay is a large scale, open pit mine similar to Bozshakol, with a mine life of more than 50 years and average copper grades of 0.37% (oxide) and 0.33% (sulphide). Aktogay commenced production of copper cathode from oxide ore in December 2015 and copper in concentrate production from sulphide ore commenced in February 2017. The sulphide concentrator has an annual ore processing capacity of 25 million tonnes. Aktogay is competitively positioned on the global cost curve and will produce an average of 90 kt of copper from sulphide ore and 20 kt of copper cathode from oxide ore per year over the first 10 years of operations.

KAZ Minerals is listed on the London Stock Exchange, the Kazakhstan Stock Exchange and the Hong Kong Stock Exchange and employs around 13,000 people, principally in Kazakhstan.

This announcement contains inside information.