British American Tobacco plc (informally BAT) is a British multinational tobacco company headquartered in London, United Kingdom. It is one of the world’s five largest tobacco companies. BAT has a market-leading position in over 50 countries and operations in around 180 countries. Its four largest-selling brands are Dunhill, Lucky Strike, Kent and Pall Mall, with others including Kool, Benson & Hedges and Rothmans. BAT has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. As at 6 July 2012 it had a market capitalisation of Â£65.6 billion, the sixth-largest of any company listed on the London Stock Exchange. It has a secondary listing on the Johannesburg Stock Exchange.