Unipetrol: The largest Polish refinery, PKN Orlen (owns 63% of Unipetrol), is participating in a tender for the Lithuanian Mazeikiu Nafta - the only refinery in the Baltic states. PKN considers joint with Russian company. Current shareholders are Yukos (53.7%) and the Lithuanian government (40.6%), the latter having the last word in the tender. Yukos might ask for USD 1bn for its stake.