Today's decision follows an in-depth investigation by the European Commission of the proposed merger between the two large Polish integrated oil and gas companies.
Last year, the share of Russian oil in oil imports to Poland dipped below 80% for the first time, according to the Ministry of Energy.
Poland's PKN Orlen fuel company has signed an annex to the long-term agreement with the Saudi Aramco oil company, increasing oil supplies by 100,000 tons monthly, which means over 20 percent of the raw material for Orlen refineries will come from Saudi Arabia.
In mid-April, Polish fuel conglomerate PKN Orlen will receive 130,000 tonnes of oil from Iran which will be processed in the company's refinery in Plock, central Poland, PKN Orlen said in a news release on Wednesday.
Poland's fuel concern PKN Orlen has signed a letter of intent with the Polish State Treasury to take over a minimum of 53 percent in rival Grupa Lotos, Orlen wrote in a Tuesday press release.
Poland's state-owned mining conglomerate, PGNiG, has announced it is testing a drone which will take aerial photographs that will be used to search for natural gas and oil.
Without dialogue, the German government will not change its mind on the controversial Nord Stream 2 gas pipeline, Polish PM's chief aide said on Friday. Polish PM Mateusz Morawiecki held talks with German Chancellor Angela Merkel on the same day.