LUKOIL is a vertically integrated oil and gas company that has the largest oil reserves among major international publicly traded oil companies. It has 1.1% of global oil reserves and 2.3% of global oil production. It dominates the Russian energy sector with 18% of total Russian oil production and 19% of total Russian oil refining. The main activities of the company are the exploration and production of oil and gas, the production of petroleum products and petrochemicals, and the marketing of these outputs.