Poland implemented a mining tax in 2012. KGHM expects to pay around 1.4 billion zlotys ($355 million) worth of mining levies this year, equal to around 58 percent of the company's 2014 net profit.

Poland's newly elected Law and Justice party (PiS) could suspend the copper tax at the turn of the first and second quarter 2016, a party lawmaker said, a move that would have a positive impact on ...