Russia's Sistema says has transferred 20 bln rbls to Bashneft

MOSCOW, Dec 28 (Reuters) - Russian conglomerate Sistema has transferred 20 billion roubles ($348 million) to oil producer Bashneft as part of an agreement with Bashneft's owner Rosneft, a spokesman for Sistema said on Thursday.

Sistema has to pay 100 billion roubles in total before the end of March to Russian oil major Rosneft as part of out of court deal.

($1 = 57.5321 roubles) (Reporting by Vladimir Soldatkin; Editing by Mark Potter)