32.6% 0 0 15,000 30,000 45,000 60,000 2,500 5,000 7,500 10,000 05 06 07 08 09 (Millions of yen) Net sales (left scale) Operating income (right scale) 4 Annual Report 2009 Commodity Chemicals Power that fundamentally supports various industries by manufacturing and supplying basic raw materials Since its establishment, Toagosei has been involved in the business of producing and selling caustic soda, various chlorides, sulfuric acid, and industrial gas. Toagosei has expanded its business field from inorganic chemicals to such areas as organic chemicals, specialty chemicals, highly functional materials for electronics, and life science. The Company has the longest history in the commodity chemical business. The Company has positively contributed to the lives of people through the supply of products necessary in industries including raw materials for chemical products and other products. We also produce pure inorganic chemicals for the manufacture of electrical and electronics components. Net sales \45,646 million Operating income \4,283 million Sales by segment Net sales/Operating income