In March 2014 RWE AG agreed to sell its upstream exploration and production portion of the group to LetterOne (L1). The deal valued the upstream business unit at US$7.1 billion and concluded in early 2015 and is now known simply as DEA.The company's exploration strategy includes a mix of near field drilling and frontier activity. In Europe the company targets areas with existing infrastructure in Norway onshore Germany and Denmark. It aggressively built it's portfolio in Norway through 2006 2015 giving it a large inventory of prospects to target both in the mature sectors of the North Sea and the more frontier Mid Norway and Barents Sea plays. Its priority in the region is to bring new discoveries onstream quickly.