PENTA-OCEAN CONSTRUCTION CO., LTD. is mainly engaged in the construction and development business, as well as the sale of construction materials, equipment leasing and shipbuilding businesses. The Company operates in four business segments. The Domestic Civil Engineering segment conducts civil engineering works in the domestic market. The Domestic Construction segment conducts construction works in the domestic market. The Overseas Construction segment is involved in the provision of construction works in overseas markets, as well as the leasing and management of large-scale navigable dredgers. The Domestic Development segment is involved in the independent development, sale and leasing of real estates, as well as the leasing of land and buildings to the Company’s subsidiaries. The Company is also involved in ship building, office equipment leasing, as well as environment-related consulting business. The Company has 27 subsidiaries and three associated companies.