Poland's PGNiG and Ukraine's ERU team up on gas exploration

WARSAW (Reuters) - Poland's leading gas firm, state-run PGNiG , said on Monday it agreed a deal with Ukraine's ERU Management Services to cooperate on hydrocarbon extraction and exploration in Ukraine.The contract concerns work on the extension of the Przemysl field, on the Ukrainian side of the border, said PGNiG Chief Executive Piotr Wozniak."It would be a shame, especially in the face of the challenges that we face at the turn of this and next year, and later, not take advantage of it,"..