BHP Billiton plc is a diversified natural resources company. The Company is engaged in extracting and processing minerals, oil and gas from its production operations located primarily in Australia, the Americas and southern Africa. It sells its product worldwide with its marketing activities centralized in Singapore, The Hague and Antwerp. The Company operates in nine customer sector groups (CSGs): petroleum, aluminum, base metals, diamonds and specialty products, stainless steel materials, iron ore; manganese, metallurgical coal, and energy coal. Its Petroleum CSG is a global oil and gas business with producing assets in six countries and exploration opportunities in a further six countries. During the fiscal year ended June 30, 2009 (fiscal 2009), the Company realized annual production volumes of 137.2 million barrels of oil equivalent. Its sells its crude oil production to refiners worldwide at market prices.