SK Innovation Co., Ltd. is a Korea-based holding company engaged in the development of petroleum and management of its subsidiaries. Through its subsidiaries, the Company mainly operates in four business segments: petroleum development and other segment, chemical segment, lubricant segment and petroleum segment. Its petroleum development and other segment engages in the development and manufacture of petroleum, and provision of lithium-polymer batteries and Li-ion battery separators (LiBSs). Its chemical segment engages in the manufacture and trading of chemical products, including ethylene, poly propylene, synthetic resins and others. Its lubricant segment engages in the manufacture and marketing of lubricant products. Its petroleum segment engages in the provision of lead-free gasoline, kerosene, diesel and others, trading and bunkering of petroleum products, as well as operation of truck rest areas. On March 26, 2014, the Company acquired a 100% stake in SK E&P America, Inc.