Gazprom a three-day period where gas supplies to Ukraine were halved, Gazprom agreed to supply Ukraine with gas for the rest of the year. The contract removed intermediary companies. On 1 April 2014, Gazprom increased the gas price charged to Ukraine from $268.50 to $385.50 (£231.00) per 1,000 cubic metres. Ukraine's unpaid gas bills to Russia stood at $1.7bn (£1.02bn). On 30 October 2014, Russia agreed to resume gas supplies to Ukraine over the winter in a deal brokered by the European Union. Gazprom is a vertically integrated company, one which owns its supply and distribution activities. Gazprom owns all its
Sibir Energy Sibir Energy. On 15 February 2011, it announced becoming the only shareholder in Sibir Energy after the withdrawal of the Moscow government-controlled Central Fuel Company. The company's primary assets are Salym oil fields in Nefteyugansk area operated by Salym Petroleum Development, a 51% voting share in Moscow Oil Refinery, operated in partnership with Gazprom Neft, and a substantial interest in Moscow-based gasoline retail networks. Through its subsidiary, Magma, Sibir Energy has interests in the Yuzhnoye and Orekhovskoye fields in West Siberia. It owns the Moscow Oil and Gas Company (formerly: The Moscow Oil Company). Before takeover by Gazprom Neft, Sibir