Repsol is one of the largest companies in the oil and gas industry. Headquartered in Madrid, the company is present across the entire value chain: exploration and production, transformation, development, and marketing of energy that is efficient, sustainable, and competitive for millions of people. Repsol is an integrated energy company with operations in over 30 countries with an Upstream business that has a sustainable annual average production of around 700 kboe/d and net proved reserves of 2.4 Bboe (as at December 31st, 2017). The company is also a leader in the Downstream sector, with top-tier industry refining.