Gazprom Neft attempted a merger with Yukos that would have created Russia's largest oil company, YukosSibneft. The first attempt in 1998 failed over a management dispute, while second time round Sibneft's shareholders called off the deal in November 2003 after the federal government cracked down on Yukos despite the process already being well under way. In September 2005, Gazprom bought 75.7% of Sibneft's shares from Millhouse Capital (Roman Abramovich’s investment vehicle) for US$13.1 billion in Russia's largest corporate takeover. In May 2006, Sibneft was renamed Gazprom Neft. In 2006 Alexander Dyukov was elected as CEO of the company and in 2008 he
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