New oil discovery, offshore Brazil

16 February 2011

New oil discovery, offshore Brazil

BG Group today announced a new discovery of oil (approximately 26˚API) in Block BM-S-10 in the Santos Basin, offshore Brazil.

The discovery well 4-BRSA-818 (4-RJS-668), known as Macunaíma, is located in a water depth of 2134 metres, approximately 244 kilometres off the coast of Rio de Janeiro State.

Further evaluation of the discovery will continue in line with the National Petroleum Agency (ANP) approved appraisal plan.

BG Group has a 25% interest in BM-S-10 (Petrobras 65%, operator and Partex 10%).

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Notes to Editors:

BG Group plc (LSE: BG.L) is a world leader in natural gas, with a strategy focused on connecting competitively priced resources to specific, high-value markets. Active in more than 25 countries on five continents, BG Group has a broad portfolio of exploration and production, Liquefied Natural Gas (LNG) and transmission and distribution business interests. It combines a deep understanding of gas markets with a proven track record in finding and commercialising reserves. For further information visit: www.bg-group.com

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There are matters set out within this announcement that are forward-looking statements. Such statements are only predictions, and actual events or results may differ materially. For a discussion of important factors which could cause actual results to differ from these forward-looking statements, refer toBG Group's Annual Report and Accounts for the year ended 31 December 2009. BG Group does not undertake any obligation to update publicly, or revise, forward-looking statements, whether as a result of new information, future events or otherwise, except to the extent legally required.