WARSAW, April 27 (Reuters) - Poland's biggest oil refiner PKN Orlen PKN.WA expects its investment to rise to 5.5 billion zlotys ($1.42 billion) in 2017 from 4.7 billion last year, the company said on Thursday.
Earlier on Thursday PKN said its net profit in the first quarter rose to 1.92 billion zlotys from 337 million a year earlier. ($1 = 3.8738 zlotys)