BG Group Limited operates as an exploration and production, and liquefied natural gas (LNG) company worldwide. Its Upstream segment engages in the exploration, development, production, liquefaction, and marketing of hydrocarbons. This segment has proved and probable reserves of 6,525 million barrels of oil equivalent. The company’s LNG Shipping & Marketing segment is involved in the purchase, shipping, marketing, and sale of LNG and regasified natural gas. It is also involved in gas transmission and distribution activities. The company is headquartered in Reading, United Kingdom.