KIEV, April 4 ??“ Ukrtransgaz, the operator of Ukraine's gas transportation system, is to store about 31 billion cubic meters of natural gas into underground gas storage, the head of the company's board of directors, Yaroslav Marchuk, said.

Due to the unusually warm winter, in mid March the company stopped withdrawing gas from storage facilities and started pumping it in, he said at the International Energy Investment Forum.