Gazprom 1980s, the Ministry of Gas Industry found large natural gas reserves in Siberia, the Ural region and the Volga region. The Soviet Union became a major gas producer. In August 1989, under the leadership of Viktor Chernomyrdin, the Ministry of Gas Industry was renamed the "State Gas Concern Gazprom", and became the Soviet Union's first state run corporate enterprise. In late 1991, when the Soviet Union dissolved, gas industry assets were transferred to newly established national companies, such as Ukrgazprom and Turkmengazprom. Gazprom kept assets located in Russia and secured a monopoly in the gas sector. In December 1992, when
Gazprom Neft not represent the sale price of Mr. Berezovsky’s and Mr. Patarkatsishvili’s alleged Sibneft interest, but rather was a final lump sum payment in order to discharge what Mr. Abramovich regarded as his "krysha" obligations." The principal owner of Gazprom Neft is OAO Gazprom, which controls 95.68% of the company's shares, while the remaining 4.32% are publicly traded. 20% of Gazprom Neft's shares were originally owned by the Italian oil and gas company Eni before being purchased by Gazprom for $4.1 billion in April 2009. Alexander Dyukov is CEO and Chairman of the management Board. Alexey Miller is Chairman of the