In January 2009, BG Group acquired a 45% participating interest in the OPL 284-DO Production Sharing Contract (offshore
western Niger delta, Nigeria), after completing a farm-in agreement with Sahara Energy Exploration and Production Limited
(Sahara). BG Group assumes the role of technical partner in the block while Sahara remains operator. OPL 284-DO is
located in water depths of 200 – 1 300 metres.