SK Innovation Co Ltd is a Korea-based company principally engaged in the manufacture and distribution of petroleum products. The Company operates its business through five segments. The Petroleum Business segment is engaged in the manufacture and sales of petroleum products including lead-free gasoline, kerosene, diesel and others. The Chemical Business 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 Business segment is mainly engaged in the manufacture of lubricant products. The Battery Business segment manufactures and sells lithium batteries and medium and large batteries, among others. The Petroleum Development Business, Materials Business and Other Business segment is engaged in the development, production and sale of crude oil and natural gas.