Suncor Energy Inc. is a Canada-based integrated energy company. The Company's operations include oil sands mining and in situ operations, upgrading, offshore production, petroleum refining in Canada and the United States, marketing and trading, and nationwide Petro-Canada retail and wholesale networks across Canada and globally. Its segments include Oil Sands, Exploration and Production (E&P), and Refining and Marketing (R&M). The Company's Oil Sands segment produces bitumen from mining operations at Base Plant Mine, Syncrude, and Fort Hills and In Situ operations at Firebag and MacKay River. Its E&P segment consists of offshore operations off the east coast of Canada and onshore assets in Libya and Syria. The Company's R&M segment consists of two primary operations: the refining and supply operations and the sales and marketing operations, as well as the infrastructure supporting the marketing supply of refined products, crude oil, and byproducts.