WSE-listed Polskie Górnictwo Naftowe i Gazownictwo (PGNiG) and Qatar Liquefied Gas Company have signed an agreement, in which it says that the Qataris will sell gas that was previously contracted to Poland, on other markets in H1 2016. Since the liquefied gas terminal in  Świnoujście isn’t yet fully operational, PGNiG had to sign an amendment…