XO stands for Extra Old, and describes a Cognac consisting of eaux-de-vie that have been aged in oak barrels for a minimum of 10 years. To create the exceptional taste and brilliant colors of Cognac Camus XO elegance, the Camus distillery chose cognac from the best years. Camus is one of the main 5 houses, Cementing itself through focusing on the world Duty free markets.