tatneft pjsc reported tuesday an improved profit for the fourth quarter as its production increased slightly from the third quarter the russian oilandgas company made a net profit of 745 million in the fourth quarter up from 709 million in the third quarter revenue grew 99 quarteronquarter with crudeoil output rising 1 and gas production up 13 as for the whole of 2021 net profit jumped to 269 billion from 143 billion trading of tatnefts american depositary receipts on the london stock exchange remains suspended due to the war in ukraine trading of its shares in moscow is also suspended following a decision by the russian central bank