Chang-Won Chey

SK Chemicals Co. Ltd. engages in the manufacture of chemicals and develops synthetic and natural drugs. It operates through the following business divisions: Green Chemicals and Life Science. The Green Chemicals division offers high performance polyethylene terephthalate glycol resins, polyester binders, water treatment chemicals, coolant and antifreeze, chemicals for housing, industrial biocide, polyethylene terephthalate resins, carbon fiber composite, acoustic absorption materials and acoustic thermal insulation and biodiesel. The Life Science division provides musculoskeletal, gastrointestinal, cardiovascular, urology, antibiotics, blood preparations, vaccines, parenteral nutrition and other prescription (Rx). The company was founded on July 1, 1969 and is headquartered in Seongnam, South Korea.

SK Ecoplant Co. Ltd. is a holding company, which offers civil engineering and construction services. The company operates in the following business areas: Housing, Architecture, Infrastructure, Chemical Plant, Power Plants and Ubiquitous Business (u-Business). Its services include construction of residential, commercial, cultural buildings, petrochemical and power plants, roads, bridges and information technology infrastructures and plant engineering. The company was founded on February 21, 1962 and is headquartered in Seoul, South Korea.