Second Quarter 2018 Operational and Financial Results

Materials, Services and Other Expenses (RR million) 2Q17 128 190 69 5,084 NOVATEK 32 32 203 5,826 20 20 79 21 Due to an increase in current repair works performed on wells and maintenance of fixed assets at our core production subsidiaries. Repair expenses fluctuate period-to- period depending on the assets repair schedule at our production subsidiaries. Due to write-off of materials used for current repair works and technological process maintenance at our production subsidiaries. Employee compensation Repair & maintenance Materials and Rent expenses supplies Preparation, transportation and processing of hydrocarbons LPG volumes reservation Insurance Other 2Q18 expenses 17

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