Exclusive - Rosneft state owner may help Rosneft with funds for buyback: sources

By Katya Golubkova, Oksana Kobzeva and Olesya Astakhova MOSCOW (Reuters) - Rosneftegaz [ROSNG.UL], the state holding company that controls Russian oil major Rosneft , is considering helping Rosneft finance the buyback of some of its shares in Rosneft, three sources with knowledge of the discussions said. The Russian state is preparing to sell a 19.5 percent stake in Rosneft, the biggest Russian oil producer and one of the largest in the world, as part of a privatisation scheme intended to plug h