Second Quarter 2018 Operational and Financial Results

Total Revenues (RR million) Change due to price Change due to volume Mainly due to increases in average realized net prices as a result of an increase in the respective benchmark prices on international markets. 5,492 13,880 1,321 2,566 179,403 647 12 1 140 485 -22,334 14,123 Due to seasonal decrease in natural gas sales volumes. 98 86 195,822 1Q18 Natural gas SGC refined products Stable gas condensate LPG Crude oil Other products Other revenues 2Q18 NOVATEK 22 22

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