Naftogaz has been seen as one of the biggest sources of corruption in Ukraine for years with many of the country's billionaires having acquired much of their wealth through gas arbitrage based on differences between the prices of Russian gas imports, gas exports to the EU and government energy subsidies to homes and businesses.
Naftogaz dipandang sebagai salah satu sumber korupsi terbesar di Ukraina selama bertahun-tahun dengan banyak miliarder negara yang mendapat kekayaan mereka melalui arbitrase gas berdasarkan perbedaan antara harga impor gas Rusia dengan ekspor gas ke Uni Eropa dan subisidi energi dari pemerintah untuk rumah dan bisnis.