Polskie Gornictwo Naftowe i Gazownictwo SA :H1 Net Profit 4.84 Billion Zlotys Versus 2.43 Billion Zlotys Year Ago.Q2 Net Profit 746 Million Zlotys Versus 687 Million Zlotys Year Ago.Q2 Revenue 30.97 Billion Zlotys Versus 29.49 Billion Zlotys Estimated On July 29.Q2 Ebitda 5.47 Billion Zlotys Versus 5.48 Billion Zlotys Estimated On July 29.