SK Innovation Co., Ltd. is a Korea-based company principally engaged in the manufacture and distribution of petroleum products. Along with its subsidiaries, the Company operates its business through five segments. The Petroleum segment is engaged in the manufacture and sales of petroleum products including lead-free gasoline, kerosene, diesel and others. The Chemical segment mainly manufactures and sells of basic emulsifying agents including ethylene, poly propylene, styrene monomer, and chemical materials including synthetic resins, and others. The Lubricant segment is mainly engaged in the manufacture of lubricant products. The Petroleum Development and Other segment is engaged in the development, production and sale of crude oil and natural gas. The Battery segment manufactures and sells lithium batteries and medium and large batteries, among others.