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
Gazprom Neft These companies are developing fields in the Yamalo-Nenets and Khanty-Mansi autonomous areas and the Omsk, Tomsk, Tyumen and Irkutsk regions. Gazprom Neft also holds 50% stakes in three dependent companies: Slavneft, Tomskneft and Salym Petroleum Development. In 2010, Gazprom Neft partnered with Novatek to acquire 51%of SeverEnergia which owns Arktikgaz and Urengoil companies. In 2012, Gazprom Neft refined 43.3 million tonnes of oil. The company wholly or partly owns 5 oil refineries (the Omsk Oil Refinery, Moscow Oil Refinery, Slavneft-Yaroslavnefteorgsintez (YANOS) and two oil refineries in Pančevo and Novi Sad that belong to Naftna Industrija Srbije). The company operates around