Second Quarter 2018 Operational and Financial Results

Transportation Expenses (RR million) Change due to tariff/geography Change due to volume -251 225 34,554 333 653 32,567 630 -111 35 799 -326 Increased primarily due to an increase in the proportion of sales to our end-customers located at more distant regions from our production fields in the current period as compared to the reporting period in the previous year. Increased due to a 10.5% increase in volumes of liquids sold and transported via rail, as well as a 3.9% increase in weighted average transportation cost per unit. 2Q17 Natural gas by pipelines Liquids by rail Hydrocarbons by tankers Crude oil Other 2Q18 NOVATEK 15

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