1 Information about the Company’s ore reserves and mineral resources as at 31 December 2016 is stated as per the analysis and operating alignment of the Russian divisions’ ore and metal balance reserves (Russian classification, Form No. 5-gr) with the JORC Code standards. The calculations are made in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (the “JORC Code”) and the Russian Code for Public Reporting of Exploration Results, Mineral Resources and Mineral Reserves (the “NAEN Code”), and are subject to the rules and regulations developed by Micon International Co Limited during the audit of field reserves of the Company’s Polar Division in 2013.

2 The platinum group metals are a family of six elements such as platinum, palladium, rhodium, ruthenium, osmium and iridium.