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 is Gazprom Export LLC, founded in 1973 and before November 1, 2006 known as Gazexport, which has a monopoly on gas exports to countries outside of the former Soviet Union. The majority of Russian gas in Europe is sold on 25 year contracts. In late 2004, Gazprom was the sole gas supplier to Bosnia and Herzegovina, Estonia, Finland, Macedonia, Latvia, Lithuania, Moldova, Serbia and Slovakia. It provided 97 percent of Bulgaria's gas, 89 percent of Hungary's gas, 86 percent of Poland's gas, nearly 75 percent of the Czech Republic's, 67 percent of Turkey's, 65 percent of Austria's, about 40 percent