BG Group plc was a British multinational oil and gas company headquartered in Reading, United Kingdom. On 8 April 2015, Royal Dutch Shell announced that it had reached an agreement to acquire BG Group for $70 billion, subject to regulatory and shareholder agreement. The sale was completed on 15 February 2016. Prior to the takeover, BG Group was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index. In the 2015 Forbes Global 2000, BG Group was ranked as the 583rd largest public company in the world.