Ukraine has sufficient gas reserves in the storage facilities and can guarantee safe transit to Europe.
Ukraine-European Union Relations
Ukraine's Energy Challenge
UkrInform: Prystaiko says Ukraine guarantees gas supplies to Europe
A picture taken on on April 22, 2015 shows a valve of gas installation at a gas-pumping station on the gas pipeline in the small town Boyarka on April 22, 2015 in the Kyiv region.