Suncor Energy Inc. (Suncor) is an integrated energy company. The Company is focused on developing petroleum resource basins-Canada's Athabasca oil sands. In addition, the Company explore for, acquire, develop, produce and market crude oil and natural gas in Canada and internationally, and the Company transports and refines crude oil, and market petroleum and petrochemical products primarily in Canada. The Company operates under three segments: Oil Sands, Exploration and Production, and Refining and Marketing. The Company also markets third-party petroleum products. The Company also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas and byproducts.