Gazprom plus one share of Sakhalin Energy. In June 2007, TNK-BP, a subsidiary of BP plc, agreed to sell its stake in Kovykta field in Siberia to Gazprom after the Government of Russia questioned BP's right to export gas from Russia. On 23 June 2007, the governments of Russia and Italy signed a memorandum of understanding towards a joint venture between Gazprom and Eni SpA to construct a 558-mile (900 km) gas pipeline to carry gas per year from Russia to Europe. This "South Stream" pipeline would extend under the Black Sea to Bulgaria with a south fork to Italy and
Gazprom of Romania's, 36 percent of Germany's, 27 percent of Italy's, and 25 percent of France's gas. The European Union receives about 25 percent of its gas supply from Gazprom. In 2014, Europe was the source of 40% of Gazprom's revenue. The proportion of Europe’s gas bought in the spot market rose from 15 percent in 2008 to 44 percent in 2012. In September 2013, during the G20 summit, Gazprom signed an agreement with CNPC that the Henry Hub index would not be used to settle prices for their trades. On 21 May 2014, Putin met with Xi Jinping and negotiated